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

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”.

Superman discovers a secret Nazi base in the jungle.

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

Superman has to thwart wartime saboteurs tampering with things at the Metropolis Munitions Plant…who have captured Lois Lane and loaded her into a torpedo!

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

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

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

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

Superman comes to the rescue when a volcano erupts.

A scientist uses an earthquake machine to threaten the city, and only Superman can stop his extortion plan!

Criminals with rocket powered car loot and extort the city, and only Superman can stop them!

A frozen Tyrannosaurus rex is found and put on display in a museum, but when he thaws out and revives, Superman has to stop his rampage!

Robbers target a special train carrying a billion dollars worth of gold, and the only one who can stop them is Superman!

Superman battles a criminal mastermind and his robot army.

Superman fights a mad scientist who is destroying Metropolis with an energy cannon.