From the passage provided, extract the gross earnings of the movie Iron Man

Iron Man premiered in Sydney on April 14, 2008, and was released in the United States on May 2, being the first film in Phase One of the MCU. It grossed over $585 million, becoming the eighth-highest grossing film of 2008. The film received praise from critics, especially for Downey's performance, as well as Favreau's direction, visual effects, action sequences, and writing. It was selected by the American Film Institute as one of the ten best films of 2008, received two nominations at the 81st Academy Awards for Best Sound Editing and Best Visual Effects. In 2022, the film was selected for preservation in the United States National Film Registry by the Library of Congress as being "culturally, historically, or aesthetically significant". Two sequels have been released: Iron Man 2 (2010) and Iron Man 3 (2013).

over $585 million