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Action Comics #310 (of 1000000)

Secret of Kryptonite Six!
March 31st, 1964

Action Comics #310 (of 904)

Secret of Kryptonite Six!
March 31st, 1964

Publisher:
Number:
310 (of 904)
Name:
Secret of Kryptonite Six!
Aliases:
Cover date:
March 31st, 1964
Store date:
Unknown
cover

“SECRET OF KRYPTONITE SIX!” 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.

  1. "Secret of Kryptonite Six!" (Superman) Reprinted in Superman #227 & The Best of DC #36.
  2. Give and Take (Mr. Craig fixes discarded and broken toys for charity)
  3. Supergirl's Rival Parents! (What happens when Supergirl's Kryptonian parents are brought to Earth? Will the two sets of parents have a spank-off?) Reprinted in Adventure Comics #416 & Showcase Presents Supergirl Volume 2.

Cover: Note the green, gold, red, white, and blue kryptonite nuggets are all imitation. What happens to Superman when Jimmy takes his picture with jewel kryptonite inside? And what do those phantom zone prisoners have to do about it?

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