MCU villains are often seen as the weak link in many of the films, but the fact that Robert Downey Jr. was even cast is a clear indication that plans for Doctor Doom or something else. Doom is one of the the most popular Marvel villains ever, and with a major star playing the role, expectations are that the plans for Doom are quite significant.

Fans of Marvel and their cinematic universe were shocked and delighted when Robert Downey Jr announced that he will coming back to Marvel as Doctor Doom in Avengers: Doomsday.

Robert Downey, Jr. has shared a new behind-the-scenes photo from the set of Avengers: Doomsday, showing some of his essentials that he keeps on hand while filming - including a Doctor Doom comic that could hint at the larger plot of the film.