Avengers: Doomsday star Robert Downey Jr. shares a new video showing Iron Man and Doctor Doom fighting, as well as a new Secret Wars tease.

Anthony and Joe Russo are slated to helm the project after a few previous director switch-ups. The movie will mark their big return to the MCU after previously directing Captain America: The Winter Soldier (2014), Captain America: Civil War (2016), Avengers: Infinity War (2018), and Avengers: Endgame (2019).

Sue Storm actor Vanessa Kirby says Robert Downey, Jr. is doing "amazing work" as Doctor Doom and as the behind-the-scenes leader of the cast