Data courtesy of the Grand Comics Database under Creative Commons license.

Issue Details

Issue #378
Published March 1969
Cover Price 0.12
Pages 36
Editing Mort Weisinger
Notes Curt Swan credit verified by nealadams.com; pencils previously credited to Neal Adams.

Cover Details

Characters Legion of Super-Heroes [Superboy; Brainiac 5; Duo Damsel]
Genre Superhero
Pencils Curt Swan
Inks Neal Adams
Letters Gaspar Saladino
Notes Curt Swan credit verified by nealadams.com; pencils previously credited to Neal Adams.
Reprinted in Superboy (DC, 1949 series) #205; in Legion of Super-Heroes Archives, The (DC, 1991 series) #9

23 page Tales of the Legion of Super-Heroes story "Twelve Hours to Live!"

Characters Legion of Super-Heroes [Superboy; Duo Damsel; Brainiac 5; Princess Projectra; Karate Kid]; Lana Lang; Jonathan Kent; Martha Kent; The Fatal Five [Validus; Persuader; Tharok; Emerald Empress; Mano]; Myron Marks
Synopsis During a celebration of Brainiac 5's birthday, several Legionnaires are poisoned. While Superboy and Duo Damsel struggle with telling their parents, Karate Kid heads out on a suicide mission in search of the Fatal Five. Karate Kid disrupts their plans, then returns to Legion headquarters, where all the Legionnaires seemingly drop dead.
Genre Superhero
Script Jim Shooter
Pencils Jim Shooter (layouts only); Win Mortimer
Inks Jack Abel
Letters Joe Letterese
Editing Mort Weisinger
Notes Continues in the next issue.
Reprinted in Legion of Super-Heroes Archives, The (DC, 1991 series) #9