Yes, Robert Downey Jr.'s Doctor Doom is in The Fantastic Four: First Steps – kind of. In the second post-credits scene, while Sue Storm is distracted getting a book for Franklin, something strange happens offscreen. When Sue returns, Franklin is accompanied by a mysterious figure in a green cloak, who has somehow entered the Baxter building.

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.

This article contains spoilers for “Fantastic Four: First Steps,” now playing in theaters. “Fantastic Four: First Steps” marks the official entry of Marvel’s First Family in the MCU, and there are plenty of references and Easter eggs from the comic books in the new movie.

Can Doctor Doom beat Thanos? It's an increasingly common question among Marvel fans, with Robert Downey, Jr.'s Doctor Doom set to inherit the title of the greatest enemy of the Avengers from Josh Brolin's Mad Titan, the almighty Thanos.

It may be easy for some to infer one thing about Marvel Cinematic Universe’s transition from Kang the Conqueror as the Multiverse Saga’s Big Bad to Doctor Doom. The obvious assumption could be that the Doom idea was initiated in the aftermath of Jonathan Majors’ firing.