Thor is imprisoned on the other side of the universe and finds himself in a race against time to get back to Asgard to stop Ragnarok, the destruction of his home-world and the end of Asgardian civilization, at the hands of a powerful new threat, the ruthless Hela.
Greek general Themistocles attempts to unite all of Greece by leading the charge that will change the course of the war. Themistocles faces the massive invading Persian forces led by mortal-turned-god, Xerxes and Artemesia, the vengeful commander of the Persian navy.
European mercenaries searching for black powder become embroiled in the defense of the Great Wall of China against a horde of monstrous creatures.
