Issue: #378
Last valuation update: 2023-06-27
Members of the Legion of Super-Heroes celebrate Brainiac 5's birthday. When drinking some kono juice, Brainiac 5 realizes that everyone's cup has been laced with a deadly poison, powerful enough to even kill Superboy. Brainiac 5 informs everyone that they have twelve hours to live. Brainiac 5 stays in the lab to create an antidote while the other Legionnaires spend their last hours alive. Superbo...
Creators: Gaspar Saladino, Neal Adams, Jim Shooter, Jack Abel, Joe Letterese, Winslow Mortimer, Mort Weisinger
Characters: Superman, Brainiac 5, Duplicate Girl, Karate Kid, Lana Lang, Tharok, Emerald Empress, Sensor Girl, Mano, Validus, Persuader