Credits

• Pencils: Curt Swan
• Inks: George Klein
• Colors: Jack Adler
• Letters: Ira Schnapp

Storyline

Karl Keller, a scientist in an Iron Curtaun country, has been held in a prison camp for years when he discovers a cache of Kryptonian chemicals that were shot into space because they were too dangerous. He experiments with them and then uses them to gain super-powers, traveling to Metropolis to challenge Superman, whom he blames for never rescuing him from captivity.

Credits

• Script: Leo Dorfman
• Pencils: Wayne Boring
• Inks: Wayne Boring
• Letters: Joe Letterese

Storyline

Luthor is accidentally killed during a battle with Supergirl, and she travels to Atlantis and into outer space to find a way to restore him to life. Alive again, Luthor declares that he now hates Supergirl even more than Superman because she has made him a laughing-stock by saving his life.

Credits

• Script: Jerry Siegel
• Pencils: Jim Mooney
• Pencils: Curt Swan
• Inks: Jim Mooney
• Inks: George Klein
• Letters: Milt Snapinn

Credits

• Pencils: Carmine Infantino
• Pencils: Curt Swan
• Inks: Murphy Anderson
• Inks: George Klein

Credits

• Pencils: Curt Swan
• Pencils: Dick Sprang
• Inks: Sheldon Moldoff
• Inks: Stan Kaye
• Letters: Ira Schnapp

Storyline

describes the comic book collections of several fans based on distinctive elements of the cover art

Credits

• Script: E. Nelson Bridwell