Justice League of America – Volume 1 – 20

General Info

Issue No:
20
On Sale Date:
April 1963
Cover Date:
June - July 1963
Era:
Silver Age
Story Title:
The Mystery of Spaceman X!

Creative Team

Cover Artist:
Mike Sekowsky, Murphy Anderson
Writer:
Gardner Fox
Penciller:
Mike Sekowsky
Inker:
Bernard Sachs
Letterer:
Gaspar Saladino
Colourist:
N/A
Editor:
Julius Schwartz

Characters

Main:
Wonder Woman (Diana Prince), Superman (Clark Kent), Batman (Bruce Wayne), Martian Manhunter (J'onn J'onzz), The Flash (Barry Allen), Green Lantern (Hal Jordan), Aquaman (Arthur Curry), Green Arrow (Oliver Queen), The Atom (Ray Palmer), Snapper Carr
Heroes:
N/A
Villains:
Spaceman X
Olympians:
N/A
Amazons:
N/A
Other:
N/A
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Synopsis

An Alien uses a giant spaceman to absorb disaster-energy to make himself invulnerable, but Superman separates the alien from his power source.