Iron Man 2 Reaches $327.6 Million Worldwide has posted the weekend box office estimates which show that Iron Man 2 has reached $327.6 million worldwide:

Paramount Pictures and Marvel Studios’ Iron Man 2 debuted to an estimated $133.6 million in a record 4,380 North American theaters this weekend – an average of $30,502 per theater. The opening marks the fifth-highest of all time domestically, surpassing Shrek the Third’s $121.6 million and is the second-best opening ever for a film in May, trailing only Spider-Man 3’s $151.1 million. On Friday, the Jon Favreau-directed sequel took in $52.3 million, which marks the seventh-best opening day, surpassing the $50 million earned by Star Wars: Episode III Revenge of the Sith. Of the total, $10.2 million came from IMAX theaters, a new record for an IMAX 2D release, passing up the $8.5 million debut of Star Trek last year. The original Iron Man opened to $98.6 million domestically in 2008 and went on to earn $318.4 million in North America.

Internationally, Iron Man 2 added $57.2 million this weekend to take its overseas total to $194 million. The film has earned $327.6 million worldwide since it began rolling out on April 28th. The original Iron Man collected $266.7 million internationally and made $585.1 million worldwide.

Starring Robert Downey Jr., Gwyneth Paltrow, Don Cheadle, Jon Favreau, Mickey Rourke, Sam Rockwell, Samuel L. Jackson, Scarlett Johansson, Garry Shandling, John Slattery and Clark Gregg, the sequel cost between $170 million and $180 million to make.

You can read more box office results here.