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.

Robert Downey Jr. has shared a new behind-the-scenes photo from the set of Avengers: Doomsday – and eagle-eyed fans have spotted a detail that might reveal something about his Doctor Doom costume.

Robert Downey Jr.'s Doctor Doom comes to life in the MCU as new Avengers: Doomsday art sees him defeating the Avengers, X-Men, and Fantastic Four.