SuperheroHype Trailer: [yt]http://www.youtube.com/watch?v=WgMSNzQN8Hs[/yt] It seems worth trying out, at least. Wikipedia page
Marvel just revealed additional characters on their website. Here's the confirmed list of playables so far: Black Widow Captain America Spider-Man Emma Frost Colossus Hulk Wolverine Hawkeye Iron Man Ms. Marvel Thing As far as alternate costumes go, only Future Foundation Spider-Man and Planet Hulk have been revealed so far. Link with screenshots and character models