Avengers: The Korvac Saga

Fleeing from a totalitarian future, Michael Korvac has travelled back in time to change the past and create a world more to his liking. Standing in his way are not one, but two teams of courageous crusaders - Earth's Mightiest Heroes, the Avengers, and the 30th century's greatest champions, the Guardians of the Galaxy.  Even with their combined strength, can these two teams really find a way to destroy a being who possesses near omnipotent power? Collecting Avengers #168, 170-177 and Thor Annual #6.