Aqualad continues the search for Mera while Aquaman is temporarily sidelined.; The use of an experimental anesthetic on a sniper-shot ambassador causes him to be possessed by his ancestor, an 18th century pirate named Captain Skull who has received strong supernatural powers in the process. Only the Spectre can stand against him.; Retelling of the origin of the Challengers continues.; Lex Luthor presumes that the existence of the Legion of Super-Heroes in the future requires a legion of super-villains as well and manages to contact them from his prison cell. They travel into the "past" to free him, and join forces to destroy Superman. However, he foils their plans by removing Saturn Queen's criminal tendencies.; Trying to prove Mon-El isn't actually Kryptonian, Superboy accidentally exposes him to lead, which both poisons him and returns his memory. He remembers that he is a space explorer from Daxam named Lar Gand, who visited Krypton, meeting Jor-El and Lara, before arriving on Earth. To save his life, Superboy sends Lar Gand into the Phantom Zone until he can cure him of his lead poisoning.; When a space ship crashes outside Smallville, Superboy finds an amnesiac super-powered youth who might be his older brother. He christens him Mon-El and sets him up with a secret identity, but he soon finds evidence that Mon-El is not in fact Kryptonian.; The living embodiment of Fear causes trouble for Captain Marvel by stirring up a panic with rumors about an atomic bomb in the city.