Published Jun 1963 by Marvel.
Cover pencils by Jack Kirby, inks by Dick Ayers. "The Mysterious Radio-Active Man!" (first appearance), script by Stan Lee (plot) and Robert Bernstein (script), pencils by Jack Kirby, inks by Dick Ayers; While on a medical mission to India, Dr. Blake becomes Thor to repel a Chinese attack; In order to fight Thor, a Chinese scientist irradiates himself to gain great power. "Over the Moon" two-page text story. "The Man Who Wouldn't Die!", script by Stan Lee (plot) and Larry Lieber (script), pencils by Larry Lieber, inks by Matt Fox; A selfish billionaire builds a fallout shelter deep beneath the Earth's surface, but when he insists on touring it alone he discovers a group of primitive humans that attack him and collapse the tunnel, trapping him. "I Saw a Martian!", script by Stan Lee, art by Steve Ditko; A man cannot convince the police that he saw an alien ship land. 36 pgs., full color. $0.12. Cover price $0.12.