Brian on ActiveWin has posted a review of Marvel Ultimate Alliance. Here is a excerpt:
Microsoft, Marvel Ultimate Alliance, Xbox 360, Review
Captain America, Spiderman and the Thing! What more could you ask for besides "The Greatest American Hero" Bringing all your favorite Marvel super heroes together on the small screen to battle it out with the all to familiar villains that you grew up with. In X-men fashion, this game tackles the the RPG next generation of console gaming with some new graphics, online and offline co-op game play and all your favorites. Bring a friend, get our your wireless controller and have a comic retro party.