Thor Ages Of Thunder Reign of Blood One Shot Marvel comic book. Written by MATT FRACTION , Art by PATRICK ZIRCHER, Cover by MARKO DJURDJEVIC. From Ragnarok to Ragnarok, in a cycle that spans the millennia, the pantheon of Asgard lives and dies and is born anew. And with each different form and in each new age, come new adventures, greater challenges...and more dire treacheries! Matt Fraction (THE IMMORTAL IRON FIST) and Patrick Zircher (TERROR, INC.) unspool the further epic tales of Thor's warrior heroism, and the Midgard-quaking intrigues of the gods!