Exposure to Red Kryptonite seemingly causes Superman and Superboy to exist simultaneously, Luthor takes advantage by trapping Superboy and forcing Superman to choose between Lois and Lana.; In a story from before she became the Danvers' daughter, Linda dreams of being adopted by the Kents.; Superman inadvertently smashes through the time barrier into the future - but emerges as an old man with no super powers.; When Superboy saves a spacecraft from a crash landing, the pilot Shar-La, takes exception to his chauvinistic manner and transforms him into a girl.; A freak accident creates a duplicate of Kal-El's rocket including a double of it's tiny passenger. On Earth, Kal's doppelganger is adopted by a crooked couple, the Dereks, and becomes Super-Brat.; Now a teenager, Super-Bully tries to steal Clark's life but doesn't bargain for Krypto's super-sense of smell as the Dog of Steel is not fooled.; Jimmy is having difficulties finishing his first novel. Superman helps his pal by taking him into the future and bringing back a copy of the finished book.; Now grown to manhood and significantly, immune to Kryptonite, Super-Menace battles the Man of Steel, however on the verge of victory he learns the truth about himself and the evil Dereks.