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 did not come to an agreement, the former party aimed to digitally modify the tattoo from Helms' face for the home video release. In June 2011, Warner Bros. settled the lawsuit with Whitmill; the terms of the settlement were not disclosed. In January 2013, the "University of Illinois Law Review" published an article addressing this case and discussing in detail the implications of Whitmill's claims. In 2011 an Australian stuntman who was injured while filming in Bangkok sued Warner Bros. The case was settled out of court for an undisclosed sum. In June 2012 Warner Bros successfully defended a lawsuit