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!
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!