Collects Thor (1966) #281-302 and Annual (1966) #8 and material from Marvel Treasury Edition #24 And #26. One of the greatest Thor sagas of all time - and a must-have for Marvel fans! The era of the Eternals is coming, and it may mean death for all humankind! When Thor confronts Odin with questions about Ragnarok, his mother and the threat of the Celestials, the All-Father withholds the truth. A Thunder God must have answers, so Thor sets out on a quest that will bring him face-to-face with the Eternals and the towering Fourth Host of the Celestials! When the dust settles, the secrets of Marvel's gods will be revealed, the true story of Destroyer's creation will be told and gods young and old will die! Also featuring a Marvel adaptation of the classic Der Ring des Nibelungen!