The Hangover Part II did not have the full support of my entire cast and crew." Liam Neeson replaced Gibson after being invited by Cooper, who worked with Neeson on "The A-Team", to take the part. Neeson, a fan of the first film stated, "I just got a call to do a one-day shoot on 'Hangover 2' as a tattooist in Thailand, and that's all I know about it". Gibson was reportedly furious over the decision. A source close to Gibson stated, "He doesn't understand why Mike Tyson, a drug user who turned his life around, was given a chance while Mel was kicked
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