It is nice to see options for the strong hero in the group. After a while, you get tired of just punching the villain. All of the power profiles add depth to the hero in ways that you might have missed.
I love the idea of this game. The action is very story driven and there are a lot of great fan sites that just add to the basic game.
THe only problem (and it is small) is that it is harder than most RPGs to create original characters. You almost have to pipck a Marvel character to base your original character on (now it is not so original). MWP has released a random character creator but it still gives you hints from other characters to use when bilding a character.