Prior to issue #25, Hit Comics had a series of rotating cover features, including Hercules, the Red Bee, Stormy Foster and Neon the Unknown.

In November 1949, Kid Eternity's self-titled magazine was discontinued and his lead slot in Hit Comics was given to Jeb Rivers, a riverboat captain.

The Kid was originally a nameless boy (who remembered being called only 'Kid' by his 'Gran'pa') who was killed when a U-boat sank his grandfather's fishing boat during World War II.

According to Jess Nevins' Encyclopedia of Golden Age Superheroes, "with the help of people like Sir Launcelot, Merlin and Hercules, [Kid Eternity] fights against crime, evil, the Germans, the super-strong Mr. Puny, Master Man (Satan's personal servant, who can summon history's greatest villains), and Dr.

Initially depicted as inhabiting Earth-S, Kid Eternity is transported to the main universe following Crisis on Infinite Earths.