Marvel Adventures Avengers: Captain America

Captain America, Iron Man, the Black Widow, Thor, the Vision, Nova, and the Invisible Woman...a collective of the greatest heroes the world has ever known. They are the Avengers, and they're here to stay. With half the Avengers spanning the globe in an effort to save the undersea kingdom of Atlantis from an invasion of monsters, Nova uncovers a secret that may well tear the team apart.