Synopsis: It seems fantastic to imagine that the most powerful armed forces of the nation, with Jimmy Olsen helping to lead them, would set forth in a grim campaign to destroy Superman! But that happens, when a strange doom out of time and space unlooses upon a terrified Earth...The Monster From Krypton!
Synopsis: In her secret identity of Linda Lee Danvers, Supergirl has come to love her foster parents with all her heart. Yet, as an only child, Supergirl has often longed to have someone of her own age in the household, someone who could share her amazing adventures. Then one day, out of the hidden past, comes the mysterious stranger who claims to be...Supergirl's Big Brother!