Avengers: Doomsday directors, the Russo brothers, are teasing new details about Robert Downey Jr.'s highly anticipated return to the Marvel Cinematic Universe. Downey Jr. will be back in action in the next Avengers movie.

The MCU was created when Robert Downey Jr. ’s Tony Stark came on the scene and proclaimed “I am Iron Man,” in the final moments of his Marvel debut film, which was a huge hit in the box office and the running start to the greater universe of superheroes we know now.

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