User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-4555457-20111224061340/@comment-4649269-20111224085356

Well, Since Tigrex is in the trailer for 4 that pretty much confirms him being there. But for the most part I think 4 will be a nearly whole new cast of monsters (With the exception of Tigrex, Rathian, Rathelos and Diablos) just like Tri was when it was originally released.