A forgotten hero returns - but will the truth behind his exile consume the world? Only the New Mutants can help young Loki now! Then, civil war breaks out among the British Manchester Gods! Even with Loki's aid, can Merlyn, King Arthur and Captain Britain prevail? And what does Hela want with the Holy Grail?! When the cursed Vanir return and declare war on Asgardia, Surtur's fire rages across the nine worlds!