'Iron Man 3' Trailer: Five Burning Questions

'What the hell is a Hulkbuster?' and four other Marvel mysteries we want answered.
By Kevin P. Sullivan

Robert Downey Jr. in "Iron Man 3"
Photo: Marvel

Source:
http://www.mtv.com/news/articles/1703038/iron-man-3-trailer-premiere.jhtml

Keira Knightley Kelly Brook Kelly Carlson Kelly Clarkson