Several original X-Men stars are set to appear in the Marvel Cinematic Universe in 2026 through Avengers: Doomsday. 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. It’s not my world, it’s never been my world, really, that whole comic book world. Avengers: Doomsday is now in post-production and slated to open in theaters on December 18, 2026.