MTV got in a quick star-on-the-street interview with Sam Rockwell, where he confirmed earlier reports that he will be playing corporate villain Justin Hammer, rival and business badguy to Tony Stark aka Iron Man.
Said Sam:
Yeah, he's a rival. He takes over all the weapons stuff after Tony's left. I don't know if he takes over Stark Industries. I'm not really sure yet. He's a money dude. That's about all I can say.
Incidentally, this won't be the first run-in that Rockwell has had with the armored avenger. The versatile actor was almost picked for the part of Tony Stark in the original movie, and his current girlfriend Leslie Bibb played reporter (and Stark's one-night-stand) Christine Everheart.
Rockwell also added that he expects to be shooting at Manhattan Beach by mid-April.