Secrets of the Unknown #86
In "The Adventures of the Girl Phantom," a daring interplanetary spy from Jupiter infiltrates Earth’s first Mars-bound rocket, setting off a high-stakes game of deception and truth. Written by Stan Lee and Larry Lieber, with dynamic art by Jack Kirby and inks by Dick Ayers, this 1984 Alan Class issue unfolds with a twisty, globe-hopping plot that keeps readers guessing. The cover by Bill Lignante captures the mystery perfectly, making this a standout in the series’ long-running legacy.
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A spy from Jupiter disguised as a human stows away on the first rocket from Earth to Mars. The pilot is a Martian spy disguised as Earthman Dan Blake whose mission is to radio back to Earth that a radiation belt with fatal effects makes attempting to reach Mars too dangerous so Earthmen will give up their attempts to reach Mars. The spy from Jupiter overcomes the Martian and radios Jupiter that travel to Mars is safe, and then radios the Martian's story back to Earth so as to discourage Earthlings from space flight.
Plot details indexed by the Grand Comics Database (CC BY-SA).