Movies
Rex Features
The pair will reportedly play villains in the Jon Favreau-helmed project, due to begin shooting this spring.
Rourke, currently starring in The Wrestler, would portray a heavily-tattooed Russian arms dealer who battles Iron Man wearing a nuclear-powered suit of armour.
Frost/Nixon star Rockwell, who was an early candidate to play Iron Man, would take the role of multi-billionaire businessman Justin Hammer, a rival industrialist of Tony Stark, the hero's alter ego.
Justin Theroux has been hired to pen the script but Marvel bosses are keeping a tight lid on the storyline.
Original movie stars Robert Downey Jr. and Gwyneth Paltrow are both expected to return but Don Cheadle will replace Terrence Howard in the role of Jim Rhodes.
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.
