Robert Downey Jr. has revealed that he would return to the Marvel Cinematic Universe, should the opportunity arise.Downey Jr. gained global recognition for starring in 10 films as Iron Man, concluding with Avengers: Endgame in 2019.Following more than a decade spent as a key part of the franchise, the actor has shared that he would “happily” return to the role.In a recent interview with Esquire, the American actor answered a question about returning to the MCU with: “Happily.