Marvel fan confidence in Downey Jr's Doctor Doom is growing following the release of two new behind-the-scenes images.

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.

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.