Justice League of America #84
In "The Devil in Paradise!", the Justice League of America confronts a chilling threat as Dr. Viktor Willard's Pax Serum promises global peace—only to unleash a hidden apocalypse after 100 hours, turning humanity into savages. Written by Robert Kanigher and brought to life with sharp, expressive art by Dick Dillin and inks by Joe Giella, this 1970 issue delivers a tense, thought-provoking tale of control and consequence. The cover, by Curt Swan and Murphy Anderson, captures the eerie calm before the storm.
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Dr. Viktor Willard's Pax Serum is supposed to turn everyone on Earth peaceful, but only Willard knows that one hundred hours later they will all turn to savagery and destroy each other, leaving him and his wife as the only survivors to start civilization again.
Plot details indexed by the Grand Comics Database (CC BY-SA).