Robert Downey Jr.'s birthday party invitations may have given Marvel fans their first look at Doctor Doom's MCU appearance.

Robert Downey Jr. has become the hero of a generation as Iron Man. Yet for decades before, he was his own worst enemy.

Robert Downey Jr shocked San Diego Comic-Con last summer by revealing that – six years after hanging up his Iron Man suit – he is returning to the Marvel Cinematic Universe. He will play arch ...