"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.

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.

Marvel Studios about the dates and it confirmed that the shift is largely to give the filmmakers more time. These are massive movies, after all, and with directors Joe and Anthony Russo helming both films,