Marvel Studios announced today that Robert Downey, Jr. has signed a two-picture agreement to reprise the role of Tony Stark/Iron Man in Marvels The Avengers 2 and Marvel’s The Avengers 3.

Downey, Jr.’s last two Marvel films, 2012’s Marvels The Avengers and this year’s Iron Man 3, rank as two of the top five grossing films of all time, collectively earning over $2.7 billion worldwide to date.

Marvels The Avengers 2 is being written and directed by Joss Whedon. Featuring favorites from the first “Avengers” film and new Marvel characters never before seen on the big screen, Marvels The Avengers 2 is slated to begin production in March 2014 and open in theaters May 1, 2015.