The X-Men are going to play a big role in Avengers: Doomsday. We know that because a bunch of them, including Patrick Stewart and Ian McKellen, are confirmed for the gigantic MCU crossover. Their presence is fueling a lot of theorizing, and some fans think they may have spotted the Avengers vs. X-Men logo.

Stewart and McKellen’s return as Professor Charles Xavier and Magneto signifies a remarkable reunion for the X-Men legacy. With Stewart last seen in Doctor Strange in the Multiverse of Madness and McKellen in X-Men: Days of Future Past,

Marvel Studios' first wave of cast reveals for Avengers: Doomsday included several of the OG Fox X-Men, including Kelsey Grammar as Beast, James Marsden as Cyclops, Rebecca Romijn as Mystique, Alan Cumming as Nightcrawler, Patrick Stewart as Professor X, and even Ian McKellen as Magneto, along with the addition of Channing Tatum's Gambit.

Men" featuring Patrick Stewart as Professor Charles Xavier, Ian McKellen as Magneto, Alan Cumming as Nightcrawler, Rebecca Romijn as Mystique and James Marsden as Cyclops, are set to return in "Avengers: Doomsday,

Marvel has announced the return of some Marvel Cinematic Universe (MCU) stars in 2026's "Avengers: Doomsday," including Chris Hemsworth as Thor, Anthony Mackie as Captain America, Sebastian Stan as Bucky Barnes and Tom Hiddleston as Loki.

It’s unclear just how big a role the X-Men will play in the film, given Marvel still hasn’t properly integrated the mutant team into the cinematic universe yet, but even the actors that have been announced make it sound like the group itself will play a big role in whatever’s going on in the 2026 movie.

It’s a nostalgic moment for Marvel fans as Ian McKellen and Patrick Stewart join the roster for the much-anticipated Avengers: Doomsday. With a star-studded cast line-up announced during a nearly six-hour livestream,

The Fantastic Four cast, Chris Hemsworth, Simu Liu, a bunch of X-Men, and more will battle Robert Downey Jr.'s Doctor Doom in Avengers 5. Marvel Reveals Avengers: Doomsday Cast, Including Patrick Stewart, Ian McKellen, Channing Tatum Ben Kaye

Robert Downey Jr. returns to the MCU with other confirmed actors including stars Chris Hemsworth and Tom Hiddleston, 'X-Men' stars like Patrick Stewart and Ian McKellen, and a good chunk from the studio's 'Thunderbolts.