Marvel is reportedly making changes to Avengers: Endgame, possibly for a re-release with new footage and a post-credit scene. The changes may be related to setting up a new movie, potentially titled Avengers: Doomsday, although details about this film, including its release date, are not confirmed. The nature and extent of the changes to Avengers: Endgame and the status of Avengers: Doomsday remain unclear.