Ant-Man plays Detective when the Avengers need some help with a case -- can he solve it on his own? When Thanos takes over Asgard, can Captain America, Hulk and the rest of Earth's Mightiest Heroes dethrone him? Maybe with a little help from Uatu the Watcher! Hela has some unfinished business with Thor and brings him to Valhalla to try and settle the score -- guest starring Rocket and Groot! It's double the Avengers and the trouble when the Leader clones the team to do his evil bidding. All these exciting stories and more, collected for the first time!