The war between gods and Eternals may be over, but Thor's still left to face the Fourth Celestial Host - along with the fearsome Fafnir, the devastating Destroyer and, as ever, the larcenous Loki! Plus: a gathering of gods! The mystery of Mother Nature! The legends of Asgard across the millennia as told by the ultimate Eye-witness! Guest-starring the Valkyrie and the Young Gods!