Iron Man Up to $428 Million Worldwide! has posted the box office estimates for the weekend and Iron Man is still performing spectacularly:

Despite dropping to second place, Marvel Studios’ “Iron Man” added an impressive $31.2 million in its third weekend to push its total to $222.5 million domestically. The Paramount release also collected another $25.6 million internationally, bringing its overseas tally to $206 million and worldwide total to $428 million. Directed by Jon Favreau, the Robert Downey Jr. starrer was made for $140 million.

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Source: Box Office Mojo