Downey returned as Tony Stark in the first of two planned sequels to "Iron Man", "Iron Man 2", which released in May 2010. "Iron Man 2" grossed over $623M worldwide, becoming the 7th highest-grossing film of 2010. Downey's other commercial film release of 2010 was the comedy road film, "Due Date". The movie, co-starring Zach Galifianakis, was released in November 2010 and grossed over $211M worldwide, making it the 36th highest-grossing movie of 2010. Downey's sole 2011 film credit was the sequel to the 2009 version of "Sherlock Holmes", "", which opened worldwide on December 16, 2011.