Looking into the case of a missing person who was also a rejected Legion applicant leads Sun Boy to solve another mystery entirely! But as he looks more deeply, he ends up discovering an enemy from his past who is a very real threat, not only to Metropolis but to the entire world!
The Dark Circle returns from a long period of dormancy to strike again! But as they begin using germ warfare, can the Legion of Super-Heroes stop them in time to prevent plagues and death on a massive scale? And are the Legionnaires being distracted from the real threat? Guest starring Dev-Em!
The annual election for leader of the Legion of Super-Heroes has arrived, but no one except Dream Girl could have foretold the identity of the unlikely winner. Meanwhile, there are changes all around for several members as old business gives way to new.
The quest to rescue young Garridan Ranzz from a mysterious abductor leads the Legion of Super-Heroes into one of its most harrowing journeys yet. They find themselves in a darkened world where all they knew and loved has been corrupted, and only one of their most powerful foes could be responsible: the Time Trapper! But just who is the Time Trapper, and what are his motivations for targeting the Legion over the years? Guest starring Superboy!
When the whole world turns against the Legion of Super-Heroes, the Legionnaires who manage to evade capture discover that Universo has returned! But now they must find out how the hypnotic villain gained enough power to make the world hate the Legion overnight. Can something in the villain’s past provide a clue? And can even the mysterious and powerful Reflecto help save the team?
When three members of the Legion of Substitute Heroes commit a daring robbery, the Legion of Super-Heroes faces the possibility that the Subs may have gone bad. But as it soon becomes evident, these are evil doubles from a parallel universe. Can the Legion defeat evil counterparts of its own members? Introducing the Cabal of Super-Criminals!