"Doomsday" is set to bring Robert Downey Jr. back to the franchise as villain Doctor Doom, Marvel revealed at Comic-Con in July. Downey now joins a star-studded list of returning names, as seen in a more than five-hourlong livestream in March.

Disney is sweeping the floor to keep its 2026 release slate clean. Marvel films were pushed back as the company announced that Avengers: Doomsday and Avengers: Secret Wars now have new release dates.

In March, it was announced that several original Avengers star will return for the new film, including Chris Hemsworth as Thor; Anthony Mackie as Sam Wilson/Falcon; Sebastian Stan as Bucky Barnes/Winter Soldier; Tom Hiddleston as Loki; and Paul Rudd as Ant-Man.