Thor: God of Thunder Vol. 1: The God Butcher
Collects Thor: God of Thunder #1-5.

In the distant past, Thor follows the bloody wake of murdered gods. In the present, the Thunder God discovers a forgotten cave that echoes with the cries of tortured gods! And thousands of years from now, the last god-king of a ruined Asgard makes his final stand against the God Butcher's beserker legions. As three Thors from three eras race to stop the God Butcher, the full extent of his vicious scheme takes terrifying shape!