Here is the outline for The Gotham Saga.
Rise of the Dark Knight:
Based on: Year One, The Great Game (Sherlock episode)
Major Villains: Riddler, Deadshot
Secondary Villains: Carmine Falcone, Commissioner Loeb, Detective Flass
Allies: Alfred, Jim Gordon, Lucius Fox, Vicki Vale, Harvey Dent, Barbara Gordon
Streets of Gotham:
Based on: Streets of Gotham: Hush Money, Blue Code (Person of Interest episode), The Long Halloween
Major Villains: Black Mask, Victor Zsasz
Secondary Villains: Deadshot, Carmine Falcone, Salvatore Maroni, The Calculator, Commissioner Loeb
Allies: Alfred, Jim Gordon, Lucius Fox, Vicki Vale, Harvey Dent, Barbara Gordon
Gotham City:
Based on: The Long Halloween, A Scandal in Bohemia
Major Villains: Holiday, Catwoman
Secondary Villains: Carmine Falcone, Black Mask
Allies: Alfred, Jim Gordon, Sarah Essen, Nelson Crowe, Selina Kyle, Lucius Fox
Gotham Knights:
Based on: The Long Halloween, Streets of Gotham: Hush Money, Batman: Life after Death
Major Villains: Two Face, Firefly
Secondary Villains: Carmine Falcone, Black Mask, The Calculator
Allies: Alfred, Jim Gordon, Sarah Essen, Nelson Crowe, Selina Kyle, Lucius Fox
Return of the Dark Knight
Based on: Original Material (To my knowledge)
Major Villains: Scarecrow , Killer Croc
Secondary Villains:
Allies: Alfred, Jim Gordon, Sarah Essen, Nelson Crowe, Selina Kyle, Julie Madison, Lucius Fox
Legend of the Dark Knight:
Based on: Hush, The Reichenbach Fall (Sherlock episode), House of Hush
Major Villains: ???, Hush
Secondary Villains: Victor Zsasz, Scarecrow, Killer Croc
Allies: Alfred, Jim Gordon, Sarah Essen, Nelson Crowe, Selina Kyle, Julie Madison, Lucius Fox
ALLIES:
Bruce Wayne/Batman: Ryan Gosling
Alfred: John Hurt
Jim Gordon: Bryan Cranston
Harvey Dent: Michael Fassbender
Lucius Fox: Denzel Washington
Vicki Vale: Alice Eve
Selina Kyle/Catwoman: Mila Kunis
Barbara Gordon: Julianne Moore
Sarah Essen: Robin Wright
Nelson Crowe: Matthew Gray Gubler
Julie Madison: Natalie Portman
ENEMIES:
Edward Nashton/Riddler: Andrew Scott
Floyd Lawton/Deadshot: Karl Urban
Noah Kuttler/The Calculator: Sam Rockwell
Roman Sionis/Black Mask: Guy Pearce
Victor Zsasz: Ben Foster
Firefly: Justin Welborn
Alberto Falcone/Holiday: Tom Hiddleston
Thomas Elliot/Hush: Eric Bana
Killer Croc: Kevin Grevioux
Scarecrow: Alan Rickman
Carmine Falcone: Anthony Hopkins
Salvatore Maroni: Dominic West
Commissioner Loeb: Tom Berenger
Mr. Wolfe: Michael Kelly
Thomas Wayne: Christian Bale
Martha Wayne: Marion Cotillard