And if critics and (to a lesser extent) audiences felt that TheHangover part II was basically a warmed-over remake of TheHangover, the promise of both a very different kind of plot and a definitive finale of this particular trilogy arguably compensates for most of the burn out from part II.
So if you look at the ratings on there right now, you can see that lots of critics like X-Men: First Class (87) but not many enjoyed TheHangover Part II (35).