Steven Yeun was originally cast as Robert Reynolds/Sentry, but after filming was delayed due to the SAG-AFTRA strikes (2023), Yeun dropped out due to scheduling conflicts and was later replaced with Lewis Pullman. He later expressed disappointment of not being able to do the film, and hopes to be cast in another Marvel movie.
Intended to be the 36th film in the Marvel Cinematic Universe.
Laurence Fishburne and Rachel Weisz are set to reprise their roles as Dr. Bill Foster and Melina Vostokoff.
Will conclude Phase 5 of the Marvel Cinematic Universe.
Marvel Studios, Director Of Visual Development, Andy Park, described the movie as a Black Widow (2021) sequel.