While Clark Kent is in wartime Japan, Superman becomes a saboteur.
Superman vs. Japanese spies hijacking a new super-bomber.
While investigating an egyptologist’s mysterious death, Superman must battle dangerous mummies.
Superman battles saboteurs determined to stop a lady double agent from getting important documents to Washington D.C.
Superman comes to the rescue when an escaped gorilla stars terrorizing Lois Lane and other nearby people.
An expedition unearths a frozen Tyrannosaurus in the Siberian tundra and brings it back to the USA. Naturally, it accidentally thaws and runs amok.
A crook dressed as Superman commits a series of robberies. The real Superman must work fast to counter the bad publicity.
Superman battles train robbers seeking to steal a billion dollars worth of gold.
A Native American scientist demands the return of Manhattan to his native people, or he will destroy the city with his electrically produced earthquakes.