Movies
Rex Features
Rourke will play an arms dealer involved with a band of expendable mercenaries who are attempting to overthrow a South American dictator. Earlier this week, Forest Whittaker agreed to star as a CIA operative.
Jet Li, Dolph Lundgren, Jason Statham and Randy Couture are also among the cast.
Rourke has previously spoken of his gratitude for Stallone, who gave him a high-profile return to the big screen in his remake of Get Carter in 2000.
Shooting is expected to start in Brazil in March.
More: Mickey Rourke, Movies
Movie Reviews
'The Vow' reviewChanning Tatum tries to win back Rachel McAdams in romantic drama The Vow.
At the Movies
This Week's 5 Hottest Movie VideosTrailers for The Avengers and Spider-Man are among this week's highlights in film.
Movies Interviews
Daniel Radcliffe talks 'Woman in Black'The actor talks to Digital Spy about his first post-Potter outing.
Box Office Charts
'Chronicle' leads UK box officeSuperhero drama Chronicle leads the UK box office ahead of Journey 2.
