The upcoming Marvel Cinematic Universe film, Avengers: Doomsday, is set to bring significant changes to several key characters. Lewis Pullman, who portrays Sentry in the Thunderbolts, revealed that the film will feature unexpected developments for beloved superheroes, including the return of Captain America, despite his older portrayal in Avengers: Endgame. The movie will also include various teams such as the Thunderbolts, Sam Wilson’s Avengers, the Fantastic Four, the X-Men, and others. Pullman hinted that these changes will encourage fans to revisit the film multiple times, similar to the success of Avengers: Endgame. Speculation surrounds the potential for a time-displaced Captain America and the possible deaths of iconic X-Men characters like Professor X and Magneto, setting the stage for future storylines in Avengers: Secret Wars. With these developments, Avengers: Doomsday is shaping up to be a highly anticipated event in the MCU.