Wyatt Russell Joins Star-Studded Avengers: Doomsday Cast Featuring X-Men Legends and MCU Icons

Marvel Studios has officially confirmed that Wyatt Russell will reprise his role as U.S. Agent in the highly anticipated Avengers: Doomsday, slated to release in theaters on May 1, 2026. Russell, who debuted in The Falcon and the Winter Soldier, will be a core part of the ensemble, which now includes a staggering 22 characters, marking the MCU’s largest Avengers team yet.



Wyatt Russell Returns as U.S. Agent

Wyatt Russell Joins Star-Studded Avengers: Doomsday Cast Featuring X-Men Legends and MCU Icons

After captivating audiences with his complex portrayal of John Walker/U.S. Agent, Wyatt Russell is back in action. His character, known for a morally grey outlook on justice, is expected to play a pivotal role in the evolving multiverse saga. Russell’s return reinforces Marvel’s plan to integrate Thunderbolts* characters deeper into its core Avengers narrative.

Other Confirmed Characters Joining Russell

Wyatt Russell Joins Star-Studded Avengers: Doomsday Cast Featuring X-Men Legends and MCU Icons

Alongside Wyatt Russell, the Avengers roster includes:

  • Anthony Mackie as Captain America (Sam Wilson)
  • Sebastian Stan as Bucky Barnes
  • Florence Pugh as Yelena Belova
  • David Harbour as Red Guardian
  • Hannah John-Kamen as Ghost
  • Lewis Pullman as Bob
  • Simu Liu as Shang-Chi
  • Paul Rudd as Ant-Man
  • Tom Hiddleston as Loki
  • Letitia Wright as Shuri / Black Panther
  • Chris Hemsworth as Thor
  • Tenoch Huerta Mejía as Namor

X-Men and Fantastic Four Join Forces

The biggest surprises were legacy X-Men cast members returning to the MCU:

Wyatt Russell Joins Star-Studded Avengers: Doomsday Cast Featuring X-Men Legends and MCU Icons
  • Patrick Stewart as Professor X
  • Ian McKellen as Magneto
  • Rebecca Romijn as Mystique
  • Kelsey Grammer as Beast
  • Alan Cumming as Nightcrawler
  • James Marsden as Cyclops
  • Channing Tatum as Gambit

In addition, the newly introduced Fantastic Four includes:

Wyatt Russell Joins Star-Studded Avengers: Doomsday Cast Featuring X-Men Legends and MCU Icons

  • Pedro Pascal as Mr. Fantastic
  • Vanessa Kirby as Invisible Woman
  • Joseph Quinn as Human Torch
  • Ebon Moss-Bachrach as The Thing

Robert Downey Jr. Returns — As a Villain

Wyatt Russell Joins Star-Studded Avengers: Doomsday Cast Featuring X-Men Legends and MCU Icons

Perhaps the boldest twist is Robert Downey Jr. returning to the MCU not as Iron Man, but as Doctor Doom. “New mask, same task,” Downey quipped during last year’s Comic-Con reveal.

Directed by the Russo Brothers

Wyatt Russell Joins Star-Studded Avengers: Doomsday Cast Featuring X-Men Legends and MCU Icons

Joe and Anthony Russo, the minds behind Infinity War and Endgame, return to direct Doomsday. The film will aim to tie together the threads of the multiverse, legacy characters, and new heroes, positioning Wyatt Russell’s U.S. Agent as one of its standout anti-heroes.

What’s Next for Wyatt Russell and Marvel?

Wyatt Russell Joins Star-Studded Avengers: Doomsday Cast Featuring X-Men Legends and MCU Icons

Before Avengers: Doomsday, Russell is expected to appear in Thunderbolts* releasing May 2, 2025, which will lay the foundation for his expanded role. With Russell’s inclusion in Doomsday, Marvel signals a bigger, bolder vision that bridges darker anti-heroes with classic Avengers.

As Marvel sets the stage for its next phase, Wyatt Russell finds himself at the center of the action. His character’s complexity and fan intrigue make him a key figure in what’s shaping up to be Marvel’s most ambitious crossover yet.

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