Were I Thor, this isn't the debut I'd want to make, being paired against Amaterasu from Okami. Because if you win, which he is, briefly, you're a god beating the crap out of a dog. And if you lose ...
We'd heard earlier that Thor and Amaterasu would be a part of the lineup. That video and two others below were released by Capcom today, confirming the appearances and showcasing what you can expect with them in action. I dunno about you, but after that throwdown, I think this just became a day one purchase for Michael Vick.
Here's a more suitable depiction of Thor beating arse galore:
And here's Amaterasu going to town on Hulk, Wolverine and others.