'Iron Man 2' - Exclusive Trailer!

Robert Downey Jr. is on a roll. After this month's 'Sherlock Holmes', he's headed into 2010 with another mega-hit in 'Iron Man 2'. This time it looks like there's much more action then the original. Let's hope Rourke and Scarlett and Cheadle get some good screen time.

Video: 2:28