The Hangover was already in the works for a sequel before the first was released. The Hangover 2 is set to begin filming in October 2010 so it will be ready for a Memorial Day Weekend release in 2011. Only Zach Galifianakis, Ed Helms, Bradley Cooper are returning and it’s rumoured that Heather Graham will return as Jade. Todd Phillips also wanted to find anyway possible to try and get Mike Tyson in the sequel. Rumor also has it that this time the boys will be taking a trip to Thailand.