Marvel Studios announced the full cast of 'Avengers: Doomsday', expected to be released on May 1, 2026. Chris Hemsworth's Thor, Anthony Mackie's Captain America, Sebastian Stan's Bucky Barnes, Paul Rudd's Ant-Man and Tom Hiddleston's Loki will be joined by several original X-Men. The film will also introduce several characters from the upcoming 'Fantastic Four' movie.