This is a brief overview of the format and how I would implement the series to include brief storyline ideas No Fan Cast yet as this is a large cast but characters that have appeared in Arrow, Supergirl, DC Legends, and The Flash will be of the same actor or actress in my version as well.
Let's Begin
2012-2013
Arrow (Wednesday 8pm)
Arrow Season 1
Season one follows Oliver Queen (Stephen Amell), billionaire playboy of Starling City, who spends five years shipwrecked on a mysterious island. Upon his return to Starling City, he is reunited with his mother, Moira Queen (Susanna Thompson), his sister, Thea Queen (Willa Holland), and his friend, Tommy Merlyn (Colin Donnell). Oliver rekindles his relationships, while spending his nights hunting down and sometimes killing criminals as a hooded vigilante. He uncovers a conspiracy to destroy "The Glades", a poorer section of the city that has become overridden with crime. John Diggle (David Ramsey) and Felicity Smoak (Emily Bett Rickards) assist Oliver in his crusade. Oliver also reconnects with ex-girlfriend, Laurel Lance (Katie Cassidy), who is still angry over his role in her sister's presumed death. The first season also features flashbacks to Oliver's time on the island, and how it changed him.
2013 - 2014
Arrow (Wednesday 8pm)
Batman (Wednesday 9pm)
Arrow Season 2
In season two, Oliver has vowed to stop crime without killing criminals, and comes under attack from Slade Wilson (Manu Bennett), a man from Oliver's time on the island who resurfaces with a vendetta against him. Oliver must also contend with outside forces attempting to take over Queen Consolidated, guilt from decisions he made in the past, and secrets harbored by his family and friends. Oliver grows to accept aspiring vigilante Roy Harper (Colton Haynes) as his protégé, and begins to receive assistance from Laurel's father, Officer Quentin Lance (Paul Blackthorne). Oliver also gains another ally; a mysterious woman in black, who is eventually revealed to be Laurel's sister, Sara Lance (Caity Lotz), who had survived her ordeal at sea years prior.
The Batman Season 1
The first season is a loose adaption of the "Batman Year One" storyline and features a young Bruce Wayne (Matt Latner) navigating through Gotham's corruption as young billionaire Bruce Wayne by day and its criminal activity as a masked vigilante called the Dark Knight. After a few rough tries at crime fighting Bruce changes his outfit into a cape and cowl in the shape of a bat, the animal he fears and soon garners the name The Batman. He uncovers a connection with Gotham's high level officials and the mob and tries to bring to light the connections and put a dent into the mob. He gains an ally with Harvey Dent and Det. Gordon but Commissioner Leob who is connected to the mob wants the vigilante caught. Carmine Falcone and Sal Maroni both put major money into finding the Batman but their efforts end up being in vain as the trio of Batman, Det. Gordon and Harvery Dent put a blow into their operations. During the season we see Bruce encounter Selina Kyle, a high level escort who is a thief and she herself by seasons end dons a mask and costume as the Catwoman. As the season comes to a close Batman faces off against the Red Hood Gang and one of the members falls into a vat of chemicals and later awakens with a crazed laugh signaling the birth of the Joker. In the closing moments of the season we learn that all these events take place a year before Oliver Queen is found and returns to Starling City, as Bruce watches Oliver’s return on TV, connecting the universes together.
2014 - 2015
The Flash (Tuesday 8pm)
Arrow (Wednesday 8pm)
Batman (Thursday 8pm)
The Flash Season 1
Barry Allen was 11 years old when his mother was killed in a bizarre and terrifying incident and his father was falsely convicted of the murder. With his life changed forever by the tragedy, Barry was taken in and raised by Detective Joe West, the father of Barry’s best friend, Iris. Now, Barry has become a brilliant, driven and endearingly geeky CSI investigator, whose determination to uncover the truth about his mother’s strange death leads him to follow up on every unexplained urban legend and scientific advancement that comes along. Barry’s latest obsession is a cutting edge particle accelerator, created by visionary physicist Harrison Wells and his S.T.A.R. Labs team, who claim that this invention will bring about unimaginable advancements in power and medicine. However, something goes horribly wrong during the public unveiling, and when the devastating explosion causes a freak storm, many lives are lost and Barry is struck by lightning. After nine months in a coma, Barry awakens to find his life has changed once again - the accident has given him the power of super speed, granting him the ability to move through Central City like an unseen guardian angel. Though initially excited by his newfound powers, Barry is shocked to discover he is not the only "meta-human" who was created in the wake of the accelerator explosion - and not everyone is using their new powers for good. In the months since the accident, the city has seen a sharp increase in missing people, unexplained deaths and other strange phenomena. Barry now has a renewed purpose - using his gift of speed to protect the innocent, while never giving up on his quest to solve his mother’s murder and clear his father’s name. For now, only a few close friends and associates know that Barry is literally the fastest man alive, but it won’t be long before the world learns what Barry Allen has become, The Flash
Arrow Season 3
In season three, Arrow has become a public hero in Starling City following Slade Wilson's defeat. Queen Consolidated is sold to wealthy businessman, scientist and aspiring hero Ray Palmer (Brandon Routh). Oliver struggles to bring his family back together, an old enemy returns, and Oliver becomes embroiled in a conflict with Ra's al Ghul (Matthew Nable). After a tragic event and a rocky start, Laurel sets out to follow in Sara's footsteps as the Black Canary. Diggle struggles with his new role as a family man, as Oliver no longer wants John in the field after the birth of his child. Meanwhile, Felicity starts a new career as Vice President of Palmer Technologies (formerly Queen Consolidated). In flashbacks, Oliver is forced to work for A.R.G.U.S. leader Amanda Waller (Cynthia Addai-Robinson) in Hong Kong; he and Tatsu Yamashiro (Rila Fukushima) work together to stop corrupt general Matthew Shrieve (Marc Singer) from unleashing a deadly pathogen, which Ra's al Ghul eventually acquires in the present.
Batman Season 2
In season two, the show adapts the storyline title "The Long Halloween", the video game title "Arkham Origins" and focuses on Bruce’s 12 years away and his time with the League of Assasins. It also takes place in the same time frame of Arrow Season 2. Bruce continues his daytime persona of Bruce Wayne the playboy and trying to maintain a relationship with his friends Julia Madison, Thomas Elliot and Roman Sionis. Bruce meets Lucius Fox, Head of the Science Dept of Wayne Enterprise and they become good friends and even helps Bruce update his suit and gadgets. Lucius was a close friend to Thomas Wayne and knew Bruce was Batman from the moment the rumors began to spread. Meanwhile James Gordon has been promoted to Captain Gordon after his arrest of high level officials of the Falcone family thanks to Batman. James also deals with the fall out of having an affair with his partner Sarah Essen and being estranged from his wife Barbara. Havery Dent begins to feel the pressure of taking down the mob and his behavior worries his wife. Roman is revealed to be the Black Mask, the mobster behind the scenes of the mob who hires hitman to help the mobsters. Thomas Elliot continues to have a hidden agenda and resentment toward Bruce. As Batman continues to watch over the city, the mob soon comes under attack from an unknown threat who has been dubbed the Holiday Killer. During this season Rah Al Gul appears wanting to know the whereabouts of his eldest daughter Talia n we learn of his past with the League and his departure. Batman also begins to encounter more strange criminals such as a deranged hacker named Edward Nigma, and a seductive Eco-Terrorist named Pamela Isley who uses plants and poison to kill. But the most deranged of them all is his first encounter with The Joker who impersonates Black Mask to hire DeathStroke/Slade Wilson, DeadShot, and CooperHead to take out the Batman. We also meet a black market arms dealer named Oswald Cooblepot nicknamed the Penguin who supplies Joker with the fire power to cause chaos on Christmas Eve. After the Joker is taken down in the mid season finale the show refocuses on The Holiday killer while also reintroducing Engima and Pamela in their more iconic persona of Riddler and Poison Ivy as the mob begins to fade out the more deranged psycho’s takeover. Joker eventually returns after turning his Dr. Harleen Quinzell into the psycho Harley Quinn. We also see the transformation of Havery Dent to Two-Face as the mob scars him during a trial driving him insane and becoming his iconic character. Joker is soon thwarted and Harley is taken by Amanda Waller linking the scene in the Arrow episode Suicide Squad that featured Harley in a cell. By seasons end the Holiday Killer is revealed, Batman and Gordon realize that the mob has slowly vanished but new threats have arisen. Lucius Fox gives Bruce his Batmobile, Bruce learns about the events of the Slade Wilson at Starling City.
2015 - 2016
Supergirl (Monday 8pm)
The Flash (Tuesday 8pm)
Arrow (Wednesday 8pm)
Batman (Thursday 8pm)
DC Legends Of Tomorrow (Friday 8pm)
Supergirl Season 1
In the first season, Kara Danvers becomes Supergirl. Having hid her powers for more than a decade, believing that Earth did not need another hero, Kara is forced to reveal her powers to thwart an unexpected disaster, setting her on her own journey of heroism as National City's protector.[4] Kara discovers that hundreds of the criminals her mother prosecuted as a judge on Krypton are hiding on Earth, including her mother's twin sister Astra (also played by Benanti) and Astra's husband Non (Chris Vance), who seek to rule the world. After briefly becoming suspicious of the true agenda of her boss, Hank Henshaw (David Harewood), she and her adoptive sister, Alex Danvers (Chyler Leigh), secretly discover that Henshaw is actually benevolent Green Martian refugee J'onn J'onzz, who assumes Henshaw's identity some fifty years after escaping a holocaust on Mars. He infiltrated the DEO to reform the organization and keep watch over Kara. Over the course of the season, Kara is targeted by criminals as the result of connection to Superman, and encounters an emerging community of metahumans, as well as people from parallel universes. She is aided by a few close friends and family who guard her secrets – most significantly her cousin's longtime friend, James Olsen (Mehcad Brooks) and tech genius Winn Schott (Jeremy Jordan).
The Flash Season 2
Six months after the events of the first season, after a singularity event, the Flash is recognized as Central City's hero. However, the event brings an evil from a parallel universe to Central City in the form of the speedster Zoom (Teddy Sears; voiced by Tony Todd; Ryan Handley, in costume[9]) who seeks to eliminate everyone connected to the Speed Force throughout the multiverse. Harrison Wells' parallel universe counterpart (nicknamed "Harry"), and his daughter Jesse (Violett Beane), work to help Barry and his friends stop Zoom. Joe and his daughter, Iris (Candice Patton), struggle with their shared painful past related to their family, especially after the arrival of Iris's brother Wally West (Keiynan Lonsdale), whom Francine West (Vanessa A. Williams) gave birth to shortly after abandoning her family. After Zoom kills Barry's father, the season concludes with Barry travelling back in time to save his mother's life from the Reverse-Flash.
Arrow Season 4
In season four, Oliver becomes "Green Arrow". He and his allies fight against the terrorist organization H.I.V.E., headed by the mystically enhanced Damien Darhk (Neal McDonough), who is attacking Star City (formerly Starling City). Over the season, John Diggle discovers that his brother Andy (Eugene Byrd) is alive and a H.I.V.E. soldier; Thea works alongside Oliver under the alias "Speedy", but struggles to control her violent temper; and learning of the existence of the mystical Lazarus Pit, Laurel hatches a plan to resurrect her sister Sara and with help from Oliver's friend John Constantine (Matt Ryan) they retrieve her soul. Oliver's life as Green Arrow and his relationship with Felicity are complicated by both his mayoral run and the revelation that he is father to a nine-year-old son. Oliver ultimately discovers that Damien plans on detonating nuclear weapons and ruling a new world over the Earth's ashes. In flashbacks, Oliver returns to Lian Yu to infiltrate the organization Shadowspire on behalf of Waller, and has his first encounter with the mystical idol used by Darhk in the present-day narrative.
Batman Season 3
Season three adapts part of "Year Three", flashes forward a year and introduces the young teen Richard Grayson, the chaos driven Anarky and has the first crossover between Arrow, The Flash and Batman. This season catches us up to Season 4 of Arrow linking the two series in the same timeframe. Batman contuines his fight against crime but when he witnesses the death of the parents of Richard Grayson he takes the young teen in and tries to mentor him while also keeping his secret. Dick adjust to leaving with Bruce and he soon wants to find the killer of his parents. This leads him to Tony Zucco the mobster who threaten the circus he and his parents worked for. Dick soon finds out that Bruce is Batman and later dons his own costume as Robin to take down Zucco. Bruce decides to train Dick and the two become the Dynamic Duo. Meanwhile James n his wife Barbara slowly reconcile after his affair but James becomes focus on a new threat to Gotham..a chaos driven villain named Anarky. James and the Dynamic Duo race to stop the plot Anarky has for Gotham while also dealing with the return of Joker on a large scale as he goes to Star City to get back Harley Quinn from ARGUS. Joker takes a pit stop in Central City to gather some meta humans to help him break into ARGUS. Bruce arrives in Central City and clashes with Team Flash until they decide to work together to stop Joker but escapes and heads to Star City to get back Harley Quinn. Joker succeeds in breaking out Harley and antagonizes Oliver. Bruce arrives first as Batman and clashes with Arrow until Flash arrives to get the two brooding heroes to work together to take down the Joker. The crossover concludes in Gotham City as Joker purpose for retreiving Harley was the location of various Joker Gas Bombs Harley planted and she alone can arm them. With Arrow and The Flash help Gotham is saved and Bruce has gained new allies. Bruce relationships with his friends begin to crumble as Roman has fully embraced his Black Mask persona, Thomas reveals his hatred of Bruce and Julia breaks up with him. The only relationship that remains is his unique relationship with Selina Kyle when he is Batman which becomes complicated when she refuses to give up thievery for him.
DC's Legends Of Tomorrow Season 1
When Vandal Savage murders his family, Time Master Rip Hunter goes rogue. Intending to stop him, he recruits a team consisting of Ray Palmer / The Atom, Sara Lance / White Canary, Martin Stein and Jefferson "Jax" Jackson, who together become the hero Firestorm, Kendra Saunders / Hawkgirl, Carter Hall / Hawkman, Leonard Snart / Captain Cold, and Mick Rory / Heat Wave. They discover that the Time Masters are backing Savage in his domination of the world in 2166 to facilitate a successful repulsion of a Thanagarian invasion. Due to Snart's sacrifice, the Time Masters are destroyed. Savage attempts to rewrite history with a temporal explosion, but is killed by the team when he is rendered mortal by the same meteor he used for his scheme. With Savage dead, Kendra and Carter leave the team.
2016-2017
Supergirl (Monday 8pm)
The Flash (Tuesday 8pm)
Arrow (Wednesday 8pm)
Batman (Thursday 8pm)
DC Legends Of Tomorrow (Friday 8pm)
Supergirl Season 2
In the second season, Kara and her allies, including her cousin Superman, deal with feuds between Earth's native populace and extraterrestrial community, and investigate conspiracies against both parties from enemies such as the shadowy organization Project Cadmus, masterminded by Lillian Luthor (Brenda Strong), mother of Superman's archenemy Lex Luthor, who later joins forces with the Cyborg Superman, Hank Henshaw (Harewood) and Supergirl's adoptive father, Jeremiah Danvers (Dean Cain). At the same time, Kara becomes friendly with Lillian's stepdaughter Lena Luthor (Katie McGrath), the new CEO of LuthorCorp, and struggles with romantic feelings for recent Earth arrival Mon-El (Chris Wood), a survivor from Krypton's neighboring planet Daxam. In other storylines, James becomes the masked streetfighting vigilante Guardian; Alex comes out as gay and begins dating Maggie Sawyer (Floriana Lima); and J'onn befriends a younger Martian, M'gann (Sharon Leal), from the White Martian race that killed his people.
The Flash Season 3
By changing his past, Barry drastically alters the entire timeline, resulting in the so-called "Flashpoint" timeline. Though he is able to restore the timeline to something resembling its usual state, this inadvertently creates new threats as well, including the emergence of Savitar (voiced by Tobin Bell), a godlike speedster with a grudge against Barry. After Harry and Jesse return to Earth-2, the gang recruit another Wells doppelgänger from Earth-19, although "H.R." Wells aspires to be a novelist and not a scientific genius. Meanwhile, both Wally and S.T.A.R. Labs scientist Caitlin (Danielle Panabaker) begin to manifest metahuman abilities as a result of Barry's "Flashpoint" excursion. Wally suits up as Barry's speedster partner, Kid Flash, while Caitlin is forced to suppress her powers for fear of becoming evil like her Earth-2 counterpart, the ice-powered Killer Frost.
Arrow Season 5
In season five, Oliver trains up young heroes Wild Dog (Rick Gonzalez), Mister Terrific (Echo Kellum), Artemis (Madison McLaughlin), and Ragman (Joe Dinicol) to join him in his war on crime following Laurel's death and Thea's resignation. He subsequently recruits a new Black Canary as well: metahuman vigilante and former police detective Dinah Drake (Juliana Harkavy). Supported by new allies, Oliver tries to balance vigilantism with his new role as mayor. He is also threatened by the mysterious and deadly villain Prometheus, who has a connection to Oliver's past. In flashbacks, Oliver joins the Bratva in Russia as part of an plot to assassinate Konstantin Kovar (Dolph Lundgren). There, he meets and is trained by one of Ra's al Ghul's daughters, Talia al Ghul (Lexa Doig), as a hooded archer, before eventually returning to Lian Yu.
Batman Season 4
Bruce is dealing with his relationships with Thomas, Roman and Julia which are strained but his relationship with Richard Grayson has strengthen. Richard is attending High School and befriends a young freshman named Tim Drake and also befriends James Gordon daughter Barbara. As Batman and Robin the two continue to deal with the likes of Riddler, Poison Ivy, Penguin and new adversaries in the form of Dr. Jonathan Crane as the Scarecrow, Dr. Jervic Tech as the Mad Hatter, Dr. Kirk Langstrom as Man-Bat and the behind the scenes machinations of Dr. Hugo Strange. James Gordon has been promoted to Deputy Commissoner to Commissoner Leob and is dealing with his unorthodox handling of the GCPD. Him and his wife are in a good place with their marriage and he is balancing his new promotion and family life. Joker returns but has become a few million dollars richer thanks to inheriting money from deceased mobster King Barlowe and uses his money to finance some of the local villains operations. Joker eventually uses his wealth to clear him of any wrong doing and promises a legit life. Neither Batman nor Gordon believe it and keep eyes on Joker. Its not too long before Joker realizes that 90% of his money is fake and part of revenge plan by King Barlowe and he returns to a life of chaos and crime. The bigger plot turns out as Julia’s father Norman has been in town apart of a Cult of the Mad Monk. Julia is soon used as a way to lure Batman to take him down. Its revealed that the Mad Monk is a Vampire so Batman gets help from John Constantine to stop the Vampire. Julia eventually decides to leave Gotham and Bruce decides to not focus on his relationships other than his role as Batman.
DC's Legends Of Tomorrow Season 2
After the defeat of the immortal villain Vandal Savage and the corrupt Time Masters who colluded with him, a new threat emerges. Dr. Nate Heywood (Nick Zano), an unconventional and charming historian, is thrust into the action upon making a shocking discovery – the Legends are scattered throughout time. Nate must find a way to rescue season one’s beloved team of heroes and rogues, including billionaire inventor Ray Palmer (Brandon Routh), who has created an exo-suit with the power to shrink him to miniscule size, as the Atom; Sara Lance (Caity Lotz), the White Canary, a trained assassin; Professor Martin Stein (Victor Garber) and Jefferson “Jax” Jackson (Franz Drameh), who together form the meta-human Firestorm; and Mick Rory (Dominic Purcell), aka Heat Wave, a career criminal. When the Legends encounter the J.S.A (the Justice Society of America, the precursor to DC’s Justice League) in the 1940s, Amaya Jiwe (Maisie Richardson-Sellers), aka Vixen, joins the team. While the team reunites, a mystery looms – the fate of former captain Rip Hunter (Arthur Darvill).Once reunited, the Legends continue their new mission to protect the timeline from temporal aberrations – unusual changes to history that spawn potentially catastrophic consequences. When Nate, the grandson of J.S.A. member Commander Steel, unexpectedly finds himself with powers, he must overcome his own insecurities and find the hero within himself. Ultimately, the Legends will clash with foes both past and present, to save the world from a mysterious new threat, Reverse-Flash who is gaining allies throughout time, including Damien Darhk, Malcolm Merlyn and Leonard Snart himself; their ultimate goal is finding the Spear of Destiny to rewrite their fates. After messing around with Reality it causes a major rip between Supergirl’s Earth and Earth 1. Rip request the help of John Constantine to stabilize the Spear using his magic but he cant do it alone. Team Batman, Team Arrow, Team Flash, Team Legend and Team Supergirl gather to help heal the fabric of reality. John decides to merge the Universes together only themselves and a few powerful magic users will be able to tell the difference. Thus merging all the DC TV Shows into one universe.
2017-2018
Supergirl (Monday 8pm)
Superman (Monday 9pm)
The Flash (Tuesday 8pm)
Black Lightning (Tuesday 9pm)
Arrow (Wednesday 8pm)
Batman (Wednesday 9pm)
DC Legends Of Tomorrow (Thursday 8pm)
Dark Universe (Thursday 9pm)
Supergirl Season 3
With her universe merged with another Kara must navigate a brave new world as not only must she deal with Aliens but also Metahumans, Magic and Pyschopaths. The overall plot of this season deals with the arrival of Kryptonian named H'El who claims to have been close to the House of El. He escaped thanks to Kara's family and wants to find a way to bring Krypton back to the world. Kara is hesitant and doesnt know if H'El exisitance is due to the Universe Merger or a more darker plot. Meanwhile Me'Gan returns to Earth but to John's surprise she is not a white Martian. The merger changed certain people's history. Lena Luthor deals with the impossing counter attack from her brother Lex who has been released from Prison. Winn begins dabbling in dark hobbies reminscent of his father which puts a strain on his partnership with James. Mon'El is hesitiant as well to believe H'El intentions especially as he gets closer to Kara. Alex and Maggie continue their relationship but things get heated when one of Maggie's ex turns out to be a metahuman dubbed Volcana. Season ends with H'El wanting to replace Earth with Krypton with Kara ruling with him.
Superman Season 1