Paramount and Marvel are making super hero fans in the United States very happy this weekend! After already running wild for a week in locations around the globe, Iron Man 2 is now in theaters across America. The Disney-owned Marvel flick already pulled in about $140 million dollars in foreign locations, now people are expecting big things at home. Robert Downey Jr. returns as Tony Stark, the wealthy playboy whose exploits as Iron Man are now public knowledge after his admission in the first film. Now, Stark is pitted against his Russian arch nemesis, Whiplash (Mickey Rourke), and corporate rival Justin Hammer (Sam Rockwell). Also making their Marvel debuts are Scarlett Johansson as Russian spy Black Widow, and Don Cheadle, who takes over the role of Colonel James Rhodes from Terrence Howard. Who is seeing it this weekend?