The Deviants Saga (Thor, Volume 2)

Beneath the ruins of Asgard, the Deviant villainess Ereshkigal seeks a mystic means of saving her race from extinction - and finds instead a weapon capable of dissolving all reality. With the Eternals who would oppose her mysteriously vanished, Thor stands alone - to stop the entire Deviant race from dominating the world!
COLLECTING: THOR: THE DEVIANTS SAGA (2011) 1-5