In the first trailer, when Rayman and Globox meet, they become friends by slapping and punching each other. Also, during a fight with a golem Globox latches onto the side of its head with his teeth and starts slapping his eye.
The scene in the intro in which Rayman realizes he's holding a skull in his hand, then screams in a high-pitched voice, then everyone else starts screaming, including the skull.
During the final boss, the Magician, who actually turns out to be evil, falls over as his hat falls off. He takes a look at it, and then starts dancing, a la the original game. He gets Rayman and friends to follow suit, and just as the number is over, the Magician speeds off, and those present have a "Wait, shit" look on their faces.It Makes Sense in Context.