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Ian McKellen, Alan Cumming, Rebecca Romijn, & James Marsden, AKA X-Men's Magneto, Nightcrawler, Mystique, & Cyclops are coming to the MCU for Avengers: Doomsday
Presumably reprising their roles In the Fox films, McKellen, Cumming, Romijn, & Marsden would rejoin X-men alums Patrick Stewart, Kelsey Grammer, and potentially more

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Just when you thought adamantium was an advantage in the Marvel Cinematic Universe.
On March 26, via an hours-long livestream, Marvel Studios announced that Ian McKellen, Alan Cumming, and Rebecca Romijn will feature in Avengers: Doomsday. And while there is no official confirmation of their roles, we can almost certainly assume that X-Men of Fox's X-Men films will reprise their characters.
If so, Avengers: Doomsday will be the first time we've seen a McKellen Magneto since 2014's X-Men: Days of Future Past, the first time we've seen Cumming's Nightcrawler since 2003's X2, the first time we've seen Romijn's Mystique and Marsden's Cyclops since 2006's X-Men: The Last Stand. Though the characters were all expected by many to appear in last year's Deadpool & Wolverine, they did not, although one of the characters does make a mention of a Magneto dying in The Void, and his signature helmet was an important plot piece.
Perhaps we'll learn more about that Mageneto in Avengers: Doomsday. Although hopefully we'll get to see him, you know, alive. We hope they're all alive? Sure would be a bummer if not.
Avengers: Doomsday psychically bends its way into theaters May 1, 2026.
Consider this a meta post-credits scene for Marvel fans - the four key articles you need to read next to continue the thrills:
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