"The Avengers" isn't playing yet on U.S. movie screens, but the superhero dream team already is a marvel at the worldwide box office.
Based on the Marvel Comics series, "The Avengers" cast includes Robert Downey Jr. as Iron Man, Scarlett Johansson as Black Widow, Samuel L. Jackson as Nick Fury and Mark Ruffalo as the Incredible Hulk.The film
opens in U.S. theaters Friday.