America's Best Comics #4

This anthology issue features multiple superhero stories including one in which The Black Terror and Pyroman battle enemies, and The Liberator confronts Nazi operatives and their scheme involving a girl taken to Paris and a Gestapo officer working on her personally. Another story follows a hero using a psychoscope device that captures mental images, revealing a villain's plan to use colchicine to transform humans into monsters, with the hero ultimately being transformed into a mechanized being. A third tale depicts an action sequence involving a plane crash and a female hero in a colorful costume confronting what appears to be an impostor, with aerial combat and propeller-related dangers featured prominently.