The Incredible Hulk joins the circus! But why? And only Captain America, the first Avenger, can save Dr. Strange, the Sorcerer Supreme! But how? Then, the Fantastic Four learn a lesson in teamwork when they face the fighting-mad Hulk, underground-dwelling Moloids and the power-duplicating Super-Skrull! And when giant bugs attack the Earth, Ant-Man disappears! Can Giant-Girl and Spider-Man work together to find the missing hero, defeat the bugs and save the planet?