Deadpool!!! Now what?
So, in short, WIN.
This is a great beat em up, its long enough to be a game, but short enough not to get too bored.
I liked the story, loved my choice of characters, however thin it was.
Most achievements are achievable by the average player.
Costumes are... not 100% worth unlocking.. Some are pretty ugly...
The Fusions are very similar unless your using a special Duo.
And once you play through with Deadpool, you don't really care about the retorts of any other character in any other playthrough, so I recommend using Deadpool as late as you can, because if you play through it with him immediatly, everyone else is slightly less fun.
During the hardest difficulty I found my favorite character was Thing, of all people.