Dorothy identifies the exterminator to him: "It's only the bug man." (Appropriately, Jeffrey is a bug exterminator, presently killing real insects but later choosing to exterminate 'human insects' or criminal underground, nocturnal gangsters...in a half century of motion picture suspense!The studio's publicity campaign requested that viewers not reveal the stunning melodramatic plot twist-ending in this film, although it was one of Agatha Christie's most famous, well-known short stories/plays.Jor-El was warned to not spread fear and panic among the people, otherwise he would be accused of insurrection and join the others in the Phantom Zone.TIME Magazinereported on Superman in its cover story: "Goodness at the Crossroads," commenting on his obviously-strange, scandalous behaviors.