Joan Alexander

Superman has to save Lois Lane from a cult of hawk-people in an homage to Edgar Rice Burroughs's "At the Earth's Core".

A double agent trying to deliver information to Washington, D.C. is chased by Nazi operatives.

Superman discovers a secret Nazi base in the jungle.

Egyptologists are attacked by mummies, drawing the attention of Superman.

Superman comes to the rescue when a volcano erupts.

When things go wrong at the circus, it's up to Superman to stop the escaped animals.

Superman's reputation is tarnished when a crook begins committing crimes in a Superman costume.

When police interfere with a reckless scientist's experiment, it creates a deadly meteor shower only Superman can stop.

Superman vs. Japanese spies hijacking a new super-bomber.

Using Clark Kent as a cover, Superman travels to Japan as a saboteur during the war.