The Russo Brothers have shed light on who orchestrated Robert Downey Jr’s return to the Marvel Cinematic Universe. It was announced in July that Downey Jr would return to the franchise as Victor von Doom/Doctor Doom for both Avengers: Doomsday and Avengers: Secret Wars, the fifth and sixth films in the superhero franchise.

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

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.