Superboy in "Superboy Meets Superlad"
Superboy drills down 25 miles below the surface of the Earth to the land of Subbania, to help Queen Lya deal with the evil Duke Duvvil. She has been using a robot duplicate of the Boy of Steel, Superlad.
Buzzy in "A Special Brotherhood Week Quiz"
Aquaman in "The Fire-Fighter of the Seven Seas"
An untitled Little Pete strip.
Johnny Quick in "The Pirate Puzzle"
"Ears of the Fleet"
Green Arrow in "The Frozen Archer"