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).

Marvel Studios may be sitting out their traditional Hall H panel at SDCC this year, but Robert Downey, Jr. is at least ensuring that MCU fans have some food for thought during Comic-Con. Downey posted a cryptic teaser video on Instagram,

First Steps introduces the iconic team in a retrofuturistic setting, teasing Doctor Doom's arrival in the MCU. A post-credits scene reveals Doom's interest in Franklin Richards, a powerful child. Robert Downey Jr.

Robert Downey Jr's Doctor Doom has finally stepped into the Marvel Cinematic Universe. In one of the most crucial credit scenes for 'The Fantastic Four: First Steps,' viewers were introduced to the masked metal villain,

At first glance of the video, Downey Jr. appears to be enjoying his musical playlist. But as his camera pans over, two comic books are on prominent display on his desk: the original Secret Wars series,

Robert Downey Jr. is making Marvel fans lose their minds again. This time, it’s over a simple photo he posted from the set of Avengers: Doomsday. At first, it didn’t seem like a big deal. Just a comic book cover.

Robert Downey Jr.'s Doctor Doom stars in the next two Avengers movies, but the MCU's main villain post-Multiverse Saga could be one that just debuted.

Kevin Feige's plan to replace Kang the Conqueror with Doctor Doom in the MCU was in the planning stages for a lot longer than anyone knew.