Prepare for the ultimate battle! In Volume 7 of The Avengers: Earth's Mightiest Heroes! - The Avengers' world is turned upside down as they must join forces with a band of super villains to fend off an army of strange aliens. When the world hangs in the balance and all seems hopeless for these mighty heroes, who will save the day? Experience all the thrills and excitement of six action-packed episdoes in this electrifying collection!