Patrick Stewart is set to appear in Avengers: Doomsday as Professor Charles Xavier. The film, releasing on December 18, 2026, features a vast cast of Marvel Universe superheroes.
According to The Kristian Harloff Show, Avengers: Doomsday will be Patrick Stewart's last on-screen appearance. Stewart began his acting career in 1959 and has since acted in numerous productions, earning him a knighthood from Queen Elizabeth II in 2010.
As far as my sources go, Avengers: Doomsday is going to be Patrick Stewart's last appearance on screen.
Author's summary: Patrick Stewart to retire after Avengers: Doomsday.