A new Avengers movie, titled Avengers: Doomsday, is reportedly in the works and could be a significant film for the Marvel franchise. Some outlets suggest it may be the biggest Marvel movie yet, while others indicate it may differ from previous installments, such as Avengers: Endgame, in terms of tone and scope. The movie's details, including its runtime and cast, are not yet fully clear, with some reports indicating that a major hero may not be involved.