Downey told Variety this weekend in Toronto.
“There isn’t one in the pipe,” Downey said. “No, there’s no plan for a fourth ‘Iron Man.'” Of course, Iron Man 3 brought in a massive $1.215 billion worldwide, so that could change in the future. For now, though, we have to assume that Iron Man 4 is not part of all the movies that Marvel has lined up through 2019.
In June of 2013 that Robert Downey Jr. had signed a two-picture deal to reprise the role of Tony Stark/Iron Man in Avengers: Age of Ultron and The Avengers 3.