Are there costumes in iron man 2 the game?

It depends on which version of "Iron Man 2" you're talking about!

* Iron Man 2 (2010 video game): This game did not have a costume system. You played as Iron Man in his Mark VI armor throughout the game.

* Iron Man 2 (mobile games): There were a few mobile games based on the movie, but they might not have featured costumes.

If you're thinking of a different "Iron Man 2" game, please specify which one and I can give you a more precise answer!