CATALOG RECORD

Action Comics #310

DC · Series began 1938 · March 1964

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Dates

Cover date: March 1964
On sale: January 30, 1964
Pages: 36

Values

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Editions and covers

Original edition
Source ↗

Creators

pencils: Curt Swan, Joe Kubert, Sheldon Moldoff, Jim Mooneyinks: Sheldon Moldoff, George Klein, Joe Kubert, Jim Mooneyletters: Ira Schnapp, Joe Letterese, Milt Snapinnscript: Leo Dorfman, Mort Weisinger, Jack Schiff

Stories

Secret of Kryptonite Six! · 13 pages
Jax-Ur tricks Superman into releasing him from the Phantom Zone to save the people of Atlantis from a plague. He then uses the opportunity to create Jewel Kryptonite, which allows the Phantom Zone prisoners to focus their thoughts to affect the outside world.
Supergirl's Rival Parents! · 13 pages
Supergirl frees her Kryptonian parents from the Survival Zone, where they have been trapped since the destruction of Argo City. Now she is faced with the choice of which parents she will live with.

Publisher’s description

Jax-Ur convinces Superman release him from the Phantom Zone in order to save the people of Atlantis from a deadly plague. To do so, they will have to travel back to Krypton before its destruction! In “SUPERGIRL’S RIVAL PARENTS!” Supergirl finally manages to free her parents from the Survival Zone, where they have been trapped since the destruction of Argo City.

Reprinted in

Adventure Comics (1938), Superman (1939), The Best of DC (1979), Showcase Presents: Supergirl (2007), Supergirl: The Silver Age Omnibus (2016)