The Rumored Additions to the ‘Avengers: Doomsday’ Cast May Hint at Major Story Details for the 2026 Film

In late March, Marvel Studios captivated the world for hours by revealing part of the cast of Avengers: Doomsday in an unannounced live stream across Twitter and YouTube. Shortly afterwards, the studio made it clear that more stars would join the impressive list of 27 talented actors and actreses, though they didn’t give any indication of when or just how many more there would be. And while we still don’t know what Marvel’s plans might be, a recent leak by a familiar insider may have let the cat(s) out of the bag.

Longtime Hollywood scooper and shortime Marvel shit lister, Jeff “The In” Sneider, recently rolled out a list of 33 stars that he was told would join the film, bringing the total number to an impressive 60. While even Sneider was a bit skeptical, if for the purposes of this exercise, we take the list at face value, it could shed some serious light on what to expect in Avengers: Doomsday.

Let’s break down what each of the 60 MCU stars might bring to the landscape of the 2026 team-up. The rumored new members of the cast are in green.

The Villain

Robert Downey Jr./Victor von Doom

In what will remain the studio’s most controversial casting decision ever until fans finally see Avengers: Doomsday, Kevin Feige and crew brought the actor behind the MCU’s greatest hero back to play on of the greatest villains ever created. Nobody will argue that Downey is one of the most versatile and talented actors working in Hollywood now but it’s still very much a concern for fans that he’s not right for the role of Doom and it’s just a nostalgia-driven marketing ploy.

The Fantastic Four

(L-R): Ebon Moss-Bachrach as Ben Grimm/The Thing, Vanessa Kirby as Sue Storm/Invisible Woman, Pedro Pascal as Reed Richards/Mister Fantastic and Joseph Quinn as Johnny Storm/Human Torch in 20th Century Studios/Marvel Studios’ THE FANTASTIC FOUR: FIRST STEPS. Photo courtesy of 20th Century Studios/Marvel Studios. © 2025 20th Century Studios / © and ™ 2025 MARVEL.

Vanessa Kirby/Sue Storm

Ebon Moss-Bachrach/Ben Grimm

Pedro Pascal/Reed Richards

Joseph Quinn/Johnny Storm

The New Avengers

David Harbour/Alexi Shostakov

Hannah John-Kamen/Ava Starr

Florence Pugh/Yelena Belova

Lewis Pullman/Robert Reynolds

Wyatt Russell/John F. Walker

Sebastian Stan/Bucky Barnes

As revealed by director Jake Schreier, the Thunderbolts* extended post-credit scene was directed by Anthony and Joe Russo and is indeed a scene from Avengers: Doomsday. That confirmation makes the exposition-heavy scene even more important, though we don’t know at what point in Doomsday it takes place. However, it does lay out that Yelena’s New Avengers are aware of a “space crisis” and will be the first heroes on Earth-616 to meet up with whichever members of the Fantastic Four are aboard the Excelsior.

The TVA

Tom Hiddleston as Loki in Marvel Studios’ LOKI, Season 2, exclusively on Disney+. Photo courtesy of Marvel Studios. © 2023 MARVEL.

Sophia Di Martino/Sophie

Tom Hiddleston/Loki

Wunmi Mosaku/B-15

Ke Huy Quan/Ouroboros

Owen Wilson/Mobius

While it may have been mildly surprising to see Hiddleston’s name among those originally revealed, it’s no surprise at all that the Time Variance Authority, which first appeared in Loki, will have a role in Avengers: Doomsday. Before the studio pivoted from the original idea for the project, first known as Avengers: The Kang Dynasty, the TVA likely would have played a more integral role in the film. Still, given Loki’s position as the God of Stories and the nature of the TVA, these characters and their stories still easily connect to a film about the collapse of the Multiverse…and Loki may just be set for another, other death.

The Old Avengers


Don Cheadle/James Rhodes

Chris Hemsworth/Thor

Samuel L. Jackson/Fury, Nicholas J.

Brie Larson/Carol Danvers

Chris Pratt/The Legendary Star-Lord

Jeremy Renner/Clint Barton

Paul Rudd/Scott Lang

Mark Ruffalo/Bruce Banner

Tessa Thompson/Valkyrie

Benedict Wong/Wong

Even as new teams form in their absence, there’s no possibility that the surviving members of the Avengers who defeated Thanos would stay on the sidelines while their reality falls apart. Certainly, some of these heroes my join up with either Sam or Yelena’s team, but it’s also starting to look like there will be plenty to do for all of Earth’s Mightiest Heroes. At this point, it seems like Avengers: Doomsday will likely mark the end of the road for a few Marvel lifers.

Champions

Iman Vellani as Ms. Marvel/Kamala Khan in Marvel Studios’ MS. MARVEL, exclusively on Disney+. Photo courtesy of Marvel Studios. ©Marvel Studios 2022. All Rights Reserved.

Xochitl Gomez/America Chavez

Kathryn Newton/Cassie Lang

Hailee Steinfeld/Kate Bishop

Dominique Thorne/Riri Williams

Iman Vellani/Kamala Khan

Concept art revealed that this group of young heroes was set to assemble in Avengers: The Kang Dynasty; however, when the original idea was scrapped in favor of whatever it is that Avengers: Doomsday is all about, it wasn’t clear how many, if any, of these characters would still show up. Interestingly, this lineup matches nicely with insider Daniel Richtman’s January 2025 report that indicated the studio had locked in its roster of Champions…with one notable exception: Joe Locke was not among those listed by “The In” Sneider.

The Wakandans + 1

Winston Duke/M’Baku

Danai Gurira/Okoye

Tenoch Huerta Mejia/Namor

Letitia Wright/Shuri

With Wakanda likely still recovering from the Talokanil-Wakandan War, it’ll will be very interesting to see what Anthony and Joe Russo have in mind for the country. With M’Baku currently sitting the throne as the King of Wakanda, Okoye working as a Midnight Angel, Shuri out of the country and Namor pledged to aid them, the Wakandans have some things to sort out before they are ready to help save the world once more.


Sam Wilson’s ©️ Avengers

Captain America/Sam Wilson (Anthony Mackie) in Marvel Studios’ CAPTAIN AMERICA: BRAVE NEW WORLD, exclusively on Disney+. Photo courtesy of Marvel Studios. © 2024 MARVEL.

Simu Liu/Shang-Chi

Anthony Mackie/Sam Wilson

Tatiana Maslany/Jennifer Walters

Danny Ramirez/Joaquin Torres

Yahya Abdul Mateen II/Simon Williams

Outside of Torres’ inclusion on the team, this roster is nothing but guesswork and could be composed of all of these heroes listed above, none of them or some of them and few from the OG Avengers. All we do know is that Sam is putting his own team of Avengers together quite separate from the Thunderbolts/New AvengerZ and that not everyone is going to be able to stick around on Earth to defend the planet.

“Binary Universe” X-Men


Halle Berry/Storm

Alan Cumming/Nightcrawler

Kelsey Grammer/Beast

Famke Janssen/Jean Grey

Lashana Lynch/Binary

James Marsden/Cyclops

Ian McKellen/Magneto

Rebecca Romijn/Mystique

Patrick Stewart/Charles Xavier

The MacGuffin

Teyonah Paris/Monica Rambeau

Seemingly made possible by the divergent timeline created in X-Men: Days of Future Past, the original Fox X-Men trilogy stars will reunite in Avengers: Doomsday. It seems likely, though far from certain, that their universe is the one in which Teyonah Parris‘ Monica Rambeau became stranded in during the final act of The Marvels which means she should be playing a central role in the film. Carol Danvers will certainly be trying to bring her home and the X-Men will likely learn the consequences of prolonged Multiversal travel. Will the result be Avengers vs. X-Men? Or will Doom best everyone to it and expedite the end of the Fox universe?

Incursion Experts

Benedict Cumberbatch/Doctor Strange

Charlize Theron/Clea

If both these characters are indeed in the film, it stands to reason that they’ll be the walking, talking expository devices of the film, explaining Incursions to the audience and Avengers alike. When last seen, the pair we’re headed out to “fix” one of the Incursions caused by Strange’s Multiversal adventure. Can Incursions be fixed? Will the Dark Dimension, where Clea is from, be a key setting in the film, allowing teams and individuals to travel inter-dimensionally?

The New Guardians of the Galaxy


Maria Bakalova/Cosmo

Bradley Cooper/Rocket

Vin Diesel/Groot

Karen Gillan/Nebula

Will Poulter/Adam Warlock

Kai Zen/Phyla

A relatively surprising choice to be part of Avengers: Doomsday, it seems as though the New Guardians May find themselves working with Captain Marvel and crew to solve their part of the “space crisis.” But where is Sean Gunn‘s Kraglin and why do the Russos hate him?

The Wild Cards

Hayley Atwell

Chris Evans

Channing Tatum/Gambit

Evans has been rumored and reported to be part of Avengers: Doomsday before the project has a title. Will he be Nomad? Will he be the original Steve Rogers, whose decision to travel to and remain in the past with Peggy Carter will lead to an Incursion? Will he be Hydra Cap? Will he be all of the above?

Like Evans, Atwell was reported to have joined the cast in December 2024 but was absent from the first round of reveals by Marvel. And also like Evans, Atwell could be playing regular old Peggy, Captain Carter or another Variant we haven’t met yet.

Tatum‘s card-throwing Gambit presents an entirely different type of X-factor than either Atwell or Evans. As seen in Deadpool & Wolverine, Tatum’s Le Diable Blanc doesn’t know what universe he used to call home, positing at one point that perhaps he was even born in the Void at the End of Time. With that in mind, perhaps he has a much larger and surprising role to play in Avengers: Doomsday than you might expect…or perhaps he’s just there because he made a name for himself as Gambit after waiting so long to bring the character to life.

With such a large cast and so many others left out entirely, it seems highly unlikely that all 60 of these folks will make it to Avengers: Secret Wars and the end of the Multiverse Saga. With Marvel’s own X-Men set to take center stage for the next decade, fans should start preparing to say goodbye to some old favorites.

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