The Hangover Part II an exotic location. That's all I know". In January 2010, Phillips dismissed rumors that Zac Efron would join the cast of "The Hangover 2", though Ed Helms stated that Efron would be a welcomed addition, commenting, "I love that guy. He's actually really funny". In March 2010, Phillips denied reports that the film would take place in Mexico or Thailand stating, "I don't know. There's a lot of rumors. There was rumor also that it was going to Mexico or something and neither are true". Also by March, Galifianakis, Helms, Bradley Cooper, and Justin Bartha completed negotiations and signed deals
The Hangover Part II 2009, Warner Bros. hired Todd Phillips, who directed "The Hangover", to write a sequel with Scot Armstrong. The deal, reached two months before the release of "The Hangover" in June 2009, came as result of "The Hangover"'s positive screen tests, and a trailer which drew a strong reaction from audiences at ShoWest. The writers from the first film, Scott Moore and Jon Lucas, decided not to come back to write the sequel because, according to Lucas, "they were done with that story…and didn't want to just write "Hangover" sequels their whole careers". "Variety" reported in July 2009, that production on