Earth-Three’s future is ruled by the Cabal of Super-Criminals, but for the first time a hero might just challenge them! And it will take a voyage through time and to a parallel universe to transform Urthlo 5, the last descendant of Alexander Luthor, into the Defender! Guest starring the Faultless Five, the Crime Syndicate of America, and the Adult Legion of Super-Heroes!
A dead warrior is brought back to life for the purposes of an ancient, evil organization! And when a visitor is assassinated at the Legion Academy, it’s up to the Legion of Super-Heroes to find out who’s behind it! But as they investigate the murder, are they prepared to learn the identity of the assassin? Can they think the unthinkable?
A discovery on Pluto leads the Legion of Substitute Heroes and guest star Cosmic Boy to face a strange and tragic menace from a thousand years in the past! But will Prometheus of the Hybrid end up being a hero or a villain in this new era?
When Val Armorr spends the holidays in the twentieth century, he is given one of the greatest Christmas gifts of all when he receives some surprise visitors — a few members of the Legion of Super-Heroes! But as Karate Kid and the other Legionnaires paint the town red, they end up running into trouble in the form of the Toyman! Can they put a stop to this bad Santa before anyone is hurt?
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!
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!