Several original X-Men stars are set to appear in the Marvel Cinematic Universe in 2026 through Avengers: Doomsday . While Phases 4-5 have already honored Marvel franchises outside the MCU timeline , 2026 will be the biggest crossover yet between the Fox-Marvel era and Marvel Studios .

With the franchise owning the X-Men rights, the 2026 entry will bring back multiple actors from the 2000s films. The Avengers: Doomsday cast finished principal photography on September 19, 2025, with Joe and Anthony Russo set to direct the follow-up installment, Avengers: Secret Wars .

ScreenRant's Grant Hermanns spoke with Famke Janssen for her new Netflix series, Amsterdam Empire , as she reacted to her former co-stars reprising their respective characters in Avengers: Doomsday

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