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 and the second-highest-grossing opening weekend of all time for an R-rated film, behind "The Matrix Reloaded" ($91.7 million). For the Memorial Day four-day weekend, the film amassed $103.4 million to become the fourth-highest-grossing Memorial Day weekend opening. In its second weekend the film gross dropped 64 percent from the previous weekend—while the original film dropped only 27 percent during its second weekend—and grossed $31.4 million. The film ended its box office run on September 15, 2011, on 113th day of its release. "The Hangover Part II" debuted in 40 countries internationally over the weekend of May 26–29, 2011, across 5,170