Fear Itself #4

Thor is cast from Asgard to Earth and reunites with the Avengers. With Bucky dead, Steve Rogers once again dons the mantle of Captain America. With his minions creating fear and havoc across the world, the Serpent becomes younger and stronger and is able to raise his fortress to the surface of Antarctica. Thor confronts him in his stronghold and find himself facing Nul (the Hulk) and Angrir (the Thing). Meanwhile, Iron Man seeks an audience with Odin and takes extreme measures to get his attention.