MCU Rumor Roundup: X-Men Casting Latest; An Avengers: Doomsday Return, & More - Spoilers

MCU Rumor Roundup: X-Men Casting Latest; An Avengers: Doomsday Return, & More - Spoilers

In this latest rumor roundup, we have an update on certain actors Marvel Studios is said to be considering for key roles in the X-Men reboot, a possible Avengers: Doomsday return, and more...

By MarkCassidy - Aug 05, 2026 12:08 PM EST
Filed Under: Marvel Studios

In today's MCU rumor roundup, we have some updates on the actors Marvel Studios is said to be looking at to fill the lead roles in the long-awaited X-Men reboot, another "surprise" Avengers: Doomsday character, and more.

So far, the only actor to be officially cast in the planned X-Men movie is Samara Weaving (Emma Frost), but we have heard that Adam Driver is also on board (Magneto, or maybe Mr. Sinister, or possibly William Stryker), and several other names continue to circulate online as actors the studio is keen to nail down.

According to Daniel Richtman, Bill Skarsgård (It, The Death of Robin Hood) and Tom Pelphrey (Task, Iron Fist) have emerged as Marvel's "top choices" to play Charles Xavier. MTTSH, meanwhile, reports that Jean Grey (Sadie Sink) will be a "POV character" in the reboot, serving as a co-lead alongside Scott Summers.

Whether there's any truth to these rumors obviously remains to be seen, but we expect some more casting news fairly soon. Marvel Studios is said to be "scrambling" to lock the main cast down ahead of an official announcement at D23 later this month.

Richtman has also heard that Marvel may be thinking about redeveloping the planned Strange Academy and Champions Disney+ shows for the big screen.

Champions is believed to be the title (the series hasn't actually been officially announced yet) for Marvel's Young Avengers show, which will focus on the likes of Kate Bishop, Kamala Khan, Wiccan, and Speed, who will make his debut in VisionQuest.

We know very little about Strange Academy, but in the comics, the school was founded by Doctor Strange following the restoration of magic, in order to train the young sorcerers of all worlds in the use of sorcery and magical artefacts. A diverse ensemble of professors was enlisted to help the students perfect their abilities, and the comic featured appearances from the likes of Man-Thing, Magik, the Scarlet Witch, Agatha Harkness, and many more.

As for the students, the roster consisted of Alvi Brorson, Calvin Morse, Dessy, Doyle Dormammu, Eva Quintero, Germán Aguilar, Guslaug, Howie, Pia, Shaylee Moonpeddle, Toth, and Zoe Laveau.

Possible spoilers ahead.

Finally, Richtman claims to have confirmed that Gwyneth Paltrow will return as Pepper Potts for Avengers: Doomsday. Apparently, she'll be "shown at Tony's funeral" (in a flashback, presumably).

Paltrow debuted as Tony Stark's (Robert Downey Jr.) love interest in the first Iron Man movie, and has since made several notable Marvel Cinematic Universe appearances, ultimately getting the chance to suit up as Rescue in Endgame.

Despite donning armor of her own and getting more screen time than she had in a lot of her previous MCU appearances, Paltrow revealed that she still hasn't watched the movie during a 2024 interview.

“To be honest, I stopped watching them at some point," the Academy Award-winner said of Marvel Studios' output. "I’ve never seen Endgame. I can’t keep track of who’s what. But I probably should at some point.”

As for why she gradually became disillusioned with the MCU, Paltrow feels that the franchise hasn't been the same for a while, suggesting that the movies gradually lost their "independent" feel as they went on.

“The first film we did was very different from the rest because the studio didn’t think it was going to be a big hit,” she said. “They hired Jon Favreau to direct who was great. And they hired Robert Downey Jr., who was unhireable at the time. His career was at a very low point.”

“We improvised almost every scene of that movie," the actress continued. "We would write scenes in the morning in Jon’s trailer. It was like doing an independent film. Then the movie was such a huge hit that then we didn’t make them like that anymore.”

Avengers: Doomsday and Avengers: Secret Wars were hit with significant delays last year, with Doomsday now set to arrive in theaters on December 18, 2026, and Secret Wars positioned for December 17, 2027.

Both movies will be directed by the Russo brothers, who also make their MCU return after helming Captain America: The Winter Soldier, Captain America: Civil War, Avengers: Infinity War and Avengers: Endgame

"Universes collide and the Multiverse Saga begins its final chapter in Marvel Studios’ Avengers: Doomsday. Beloved heroes from three distinct universes will be set on a deadly collision course and ultimately face an existential threat unlike anything they’ve ever encountered. This epic film will lay the foundation for the future of the Marvel Cinematic Universe."

Doomsday will star:

Paul Rudd as Ant-Man, Simu Liu as Shang-Chi, Tom Hiddleston as Loki, Lewis Pullman as Sentry, Florence Pugh as Yelena, Danny Ramirez as Falcon, Ian McKellen as Magneto, Sebastian Stan as Bucky, Winston Duke as M’Baku, Chris Hemsworth as Thor, Kelsey Grammer as Beast, James Marsden as Cyclops, Channing Tatum as Gambit, and Wyatt Russell as U.S. Agent

Along with Vanessa Kirby as Sue Storm, Rebecca Romijn as Mystique, Patrick Stewart as Professor X, Alan Cumming as Nightcrawler, Letitia Wright as Black Panther, Tenoch Huerta Mejia as Namor, Pedro Pascal as Reed Richards, Hannah John-Kamen as Ghost, Joseph Quinn as Johnny Storm, David Harbour as Red Guardian, Ebon Moss-Bachrach as The Thing, Anthony Mackie as Captain America, and, of course, Robert Downey Jr. as Doctor Doom.

About The Author:
MarkCassidy
Member Since 11/9/2008
Mark Cassidy is a writer, photographer, amateur filmmaker, and Rotten Tomatoes-approved critic from Dublin, Ireland.
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Vigor
Vigor - 8/5/2026, 12:50 PM
Going back and revisiting Tony's funeral. Hmm
There has to be a reason. Perhaps to explain why Doom looks like Tony??? Something about Tony's death gave way to Doom? I dont want to get ahead of myself but im surprised they filmed scenes referencing Tony's funeral
MCUKnight11
MCUKnight11 - 8/5/2026, 1:01 PM
@Vigor - I do wonder why they never showed a casket...
emersonrj2004
emersonrj2004 - 8/5/2026, 1:31 PM
@Vigor - They already said, for DoomsDay at least, that Dr. Doom won't be unmasked and that Doom looking like Tony won't be a factor.
regmovieguy
regmovieguy - 8/5/2026, 2:34 PM
@emersonrj2004

Source?
McMurdo
McMurdo - 8/5/2026, 4:52 PM
@Vigor - yeah that has been obvious since they cast Iron Man as Doom though, to be fair. People are just in denial because it cheapens Victor for the sake of a continuation/off-shoot of the Tony-verse storyline
McMurdo
McMurdo - 8/5/2026, 4:52 PM
@emersonrj2004 - yeah and you totally believed them.
TheVisionary25
TheVisionary25 - 8/5/2026, 5:06 PM
@Vigor - I hope not but could see this being true…

Granted this could be completely false aswell as we have seen before so best to take it 50/50
KetracelWhite74
KetracelWhite74 - 8/6/2026, 9:31 AM
@Vigor - I think Steve is going to reveal to Bucky his plan. That reminds the audience what and why he choose to stay in the past. In Endgame, it's clear Bucky knows he's not planning to come back.
Bucky74
Bucky74 - 8/5/2026, 12:54 PM
I hope they address all the damage Jean did in BND as a legitimate reason why people fear mutants. Maybe Prof X makes a deal with the government not to expose Damage Control killing Jean's sister and kidnapping her from him, agreeing to take her in and "control" her and teach her how to use her powers, while also agreeing to use his students to stop otherworldly threats, or something. Ignoring all the damage Jean did would be a missed opportunity.
McMurdo
McMurdo - 8/5/2026, 4:53 PM
@Bucky74 - they wont. MCU Jean at this point is a completely separate character from comics Jean. This is Jean in name alone. She's Wanda 2.0.
Bucky74
Bucky74 - 8/5/2026, 5:31 PM
@McMurdo - Agreed, but they can bring her toward that, hopefully
harryba11zack
harryba11zack - 8/5/2026, 1:08 PM
"reports that Jean Grey (Sadie Sink) will be a "POV character" in the reboot, serving as a co-lead alongside Scott Summers."

ah yesss cause that shit did wonder for the blandtastic four,

eye c they still haven’t fully washed that MsheU stink out JUST yet

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Patient2670
Patient2670 - 8/5/2026, 1:27 PM
@harryba11zack - Hasn't Jean Grey always been an important and focal character in the X-Men realm? I'm not sure how diminishing that would make it a more faithful adaptation... Though, I suppose it actually would make it less "Woke" - which in reality, would be the antithesis of what the X-Men have always been. Thereby making it a less faithful adaptation.
harryba11zack
harryba11zack - 8/5/2026, 1:41 PM
@Patient2670 - Scott has been the leader for most of the x-men and he should be for this first film at the very least.
jean / storm leading could come later in sequels but not this earlier, let scott's leadership shine for once.
and it especially don't make sense to have jean also lead the team if this film is her POV being /introduction to the team,
unless shes giving it to the professor under the table then she should not be moving up that fast in the ranks.
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Patient2670
Patient2670 - 8/5/2026, 2:13 PM
@harryba11zack - He should be. Except it doesn't say anything about her being the team leader. It says a leading role in the movie. So, unless you simply misenterpreted the article, you seem to be manufacturing preemptive outrage... Like when everybody got so mad at Eliott Page being cast as Achilies in the Odyssey.
harryba11zack
harryba11zack - 8/5/2026, 2:20 PM
@Patient2670 - "Like when everybody got so mad at Eliott Page being cast as Achilies in the Odyssey. "
how dare u!!
eye was one of those people
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Patient2670
Patient2670 - 8/5/2026, 2:33 PM
@harryba11zack - Hmm... Imagine that. And look how that turned out.
harryba11zack
harryba11zack - 8/5/2026, 2:51 PM
@Patient2670 - it turned out to be a shit film and her character (who wasn't in the original poem) was given the main Achilies scene from the original poem.
Patient2670
Patient2670 - 8/5/2026, 3:06 PM
@harryba11zack - "A shit film" is entirely subjective. Sorry you didn't like it, you seem to be in the minority. Changes nothing. You were upset over HIM playing a character he wasn't actually playing. Whether or not you liked the way Sinon was used in the film, is irrelevant. The outrage was over an assumption you were wrong about.
harryba11zack
harryba11zack - 8/5/2026, 3:19 PM
@Patient2670 - She does the thing that Achilies is known for doing in the original story, the only thing stopping her from being Achilies is in name. there4 she is Achilies all butt in name. They "MJ" Achilies.
grendelthing
grendelthing - 8/5/2026, 4:14 PM
@harryba11zack - How many times are you going to misspell Achilles and expect people to take your opinion seriously?
harryba11zack
harryba11zack - 8/5/2026, 4:21 PM
@grendelthing - User Comment Image
Patient2670
Patient2670 - 8/5/2026, 4:34 PM
@harryba11zack - He fulfills the role about the meaning of death, but then also provided context for the cowardice and abuse of entitlement for Antinous. Achilies was known as the greatest warrior and he died in the Illiad.Sinon played no such role.

Even still. It changes nothing about your outrage over Jean Grey having a leading role in the X-Men.
Patient2670
Patient2670 - 8/5/2026, 4:35 PM
@grendelthing - LOL! I'm guilty of that as well. Good catch.
HashTagSwagg
HashTagSwagg - 8/5/2026, 1:14 PM
"Grey will be a POV character"
I see they want us siding with the humans this time around.


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Urubrodi
Urubrodi - 8/5/2026, 1:32 PM
@HashTagSwagg - Siding against Sadie Sink? You crazy?
HashTagSwagg
HashTagSwagg - 8/5/2026, 1:44 PM
@Urubrodi - Siding with the chick who murdered an innocent man? You crazy?
McMurdo
McMurdo - 8/5/2026, 4:57 PM
@HashTagSwagg - maybe multiple. Caused the old dude to get drilled by a car head on. Made prison guards shoot each other. Was willing to kill loads of innocents in the city. Threw MJ off a building. This isn't Jean Grey.
HashTagSwagg
HashTagSwagg - 8/5/2026, 5:21 PM
@McMurdo - Didn't she also makeout with Peter using "MJ's" body against her will and then she rubbed it on him after revealing it was all her?
What a HER-oic trait.

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Nonameforme
Nonameforme - 8/5/2026, 1:21 PM
I really need less bill skaarsgarrd
BadgerThorkin
BadgerThorkin - 8/5/2026, 2:11 PM
@Nonameforme - ya, I can't really see him as Prof X anyway. Honestly, I can't see Tom in that role either. I don't want to see the X-Men growing up together. I've had enough of that from previous films.
Nonameforme
Nonameforme - 8/5/2026, 2:16 PM
@BadgerThorkin - these used to be movies where quasi unknown actors could build careers from.
AgentofSH1ELD
AgentofSH1ELD - 8/5/2026, 3:14 PM
@Nonameforme - Patrick Wilson ftw.
Nonameforme
Nonameforme - 8/5/2026, 3:25 PM
@AgentofSH1ELD - yea I'm good with that.
Polaris
Polaris - 8/5/2026, 4:25 PM
@AgentofSH1ELD - I can get on board with that
McMurdo
McMurdo - 8/5/2026, 4:58 PM
@BadgerThorkin - Pelphrey could do it. Give him the classic eyebrows as well.
soberchimera
soberchimera - 8/5/2026, 4:58 PM
@Nonameforme - He’d be good as Mojo actually after playing Pennywise and Orlok.
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Nonameforme
Nonameforme - 8/5/2026, 5:07 PM
@soberchimera - knowing mcu they'll cg the whole thing.
soberchimera
soberchimera - 8/5/2026, 5:13 PM
@Nonameforme - You don’t want to see Skarsgard gain all that weight and go topless?!?
Nonameforme
Nonameforme - 8/5/2026, 5:24 PM
@soberchimera - I'm good
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