Filming was announced as having been delayed on May 24, 2023 due to the ongoing Writers Strike. Production will begin after the strike has ended.
The 35th film in the Marvel Cinematic Universe.
Marvel Studios Director Of Visual Development Andy Park described the movie as a Black Widow (2021) sequel.
Despite Nebula having apparently stolen Bucky's vibranium arm to give to Rocket Raccoon as a present in The Guardians of the Galaxy: Holiday Special (2022), the concept art for this film shows that Bucky still has it.
Steven Yeun was originally cast as The Sentry. But after filming was delayed due to SAG-Aftra strikes of 2023, Yeun dropped out due to scheduling conflicts. He later expressed disappointment of not being able to do the film and hopes to get to act in another Marvel movie.