The actor will, of course, reprise his role as Tony Stark, and the film will also mark the beginning of a crossover event with the new "Civil War" comic that is coming out next summer.
Downey Jr. will star alongside Chris Evans; no other cast announcements have been made.
"Captain America 3" is slated for a May 6, 2016 release.
Countdown to the release of Captain America 3 (2016), with the The Movie Hype App.
