Collects Material from Journey into Mystery (1952) #83-100. The stories that built the Marvel Universe, from the brilliant minds of legendary creators — now available in an accessible new format the whole family can enjoy! While vacationing in Norway, Dr. Donald Blake happened upon a hidden cave. Inside, he found a strange, gnarled cane. Upon hitting the cane on a rock, the hobbled doctor was struck by a sudden bolt of lightning — and found himself transformed into the mighty Thor, God of Thunder and champion of Asgard! Now journey across the Rainbow Bridge to eternal Asgard and meet Odin, Heimdall, Balder and Thor’s evil adopted brother, Loki! Thrill to the formative adventures that put Thor on the heroic map of Midgard! And learn the mythological origins of the Norse pantheon in the fan-favorite “Tales of Asgard” backup features!