20 biggest movies at the 2013 box office
Superheroes, comedies and family films rule
19. Identity Thief
U.S.: $134.5 million
Overseas: $39.4 million
Worldwide: $173.9 million
Lowdown: The first sign of Melissa McCarthy's real box office power in the U.S. Shockingly, Universal had little success with it across the rest of the world.