Justice League of America 84 (Nov 1970) VF- (7.5)

  Cover by Curt Swan and Murphy Anderson

The Devil in Paradise

Script:Robert Kanigher
Pencils:Dick Dillin
Inks:Joe Giella
Letters:John Costanza

Characters:Superman; Batman; Black Canary; The Atom [Ray Palmer]; The Flash [Barry Allen]; Hawkman [Katar Hol]; Professor Lars Hansun; Dr. Viktor Willard (villain); Nether Man (villain); Phyllis Temple; Iris Allen (cameo)

Synopsis: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.