According to a new MCU theory, Marvel Studios' next upcoming project is the perfect place to debut Robert Downey Jr.'s Doctor Doom before Phase 6.

After hours of literally nothing but shots of chairs, Marvel’s big Avengers: Doomsdaycasting announcement ended with an appearance by Robert Downey Jr., who’s returning to the Marvel Cinematic Universe after five years of “retirement” to play the new Doctor Doom in the film.

The Russo brothers have teased that Tony Stark's legacy will be important to Doctor Doom's story in the MCU, and a new theory explains exactly how.

Doomsday concept poster blends the death of Iron Man in the MCU with the debut of the franchise's version of Doctor Doom.

Robert Downey Jr. may or may not have influenced the Russo Brothers into directing the upcoming Avengers movies! The Oscar-winning actor made a fantastic return to the Marvel universe as Doctor Doom after playing Iron Man,

Anthony Russo was recently asked how they will explain RDJ’s return and his answer was well, mysterious: “We can’t explain that as it’s part of the story,” he said with

Joe and Anthony Russo, who have helmed several MCU projects in the past, are set to return as directors on Doomsday. The studio announced the film's multi-star cast through a video that ends in style with Robert Downey Jr., who plays the antagonist Dr Doom. Let's look at the details of the video and how RDJ ends it.

The Russos brothers have directed some of the best Marvel movies, and their history helps to explain why Robert Downey Jr. was cast as Doom.

Long before Robert Downey Jr. became Iron Man, Marvel’s Kevin Feige had envisioned him as the infamous Fantastic Four villain, Victor Von Doom.