THOR (1962) #203

Ego Prime defeated! Odin’s master plan revealed at last! Then as one chapter closes…a new mystery begins. Thor has been buried under a pile of rubble by Ego-Prime, a creation of the living planet, Ego. Sif and Balder try to lift his hammer to get it back to the thunder god, but only Thor can lift it. The fatal 60 seconds end, transforming the god back into Donald Blake……