Ragnarok appears to have come for the gods of Asgard, and only Thor and his Avengers allies might be able to stave off that fate - but will the Thunder God be Asgard's savior, or the architect of its downfall? In search of new wisdom, Thor must repeat the ordeals of Odin - and the price may be too terrible for even an immortal to pay Beset on all sides by treacherous foes from his past, the God of Thunder leads the tattered remnants of the forces of Asgard on a desperate quest, as the Realm Eternal burns. Collects Thor #80-85.