This Hammer Lost! THOR decides that he will travel back in time to when the Celestials first appeared on Earth. But once in the time stream, Mjolnir vanishes from his grasp, and Thor is left in a land of fog and shadows. He is then confronted by the Space Phantom, who tells him he is in Limbo. He tells Thor of his planet, Phantus, and that his hammer is probably at its core. Thor agrees to help him save his planet if he helps find Mjolnir. Once on the surface, they are repeatedly attacked by the warring Phantoms. The Phantom leads Thor to a complex with a shaft leading to the core. Thor leaps in, but it was a trap. The Phantom planned on using Thor's immortal body like a cork to keep Phantus from slipping completely into Limbo. He didn't know that for half of Thor, 60 seconds have passed, so half of his body is Thor, and the other half is Don Blake.