It’s a race against time as the Legion of Super-Heroes tries to learn how an odd theft of soil-digging machines could threaten the freedom of Earth! Meanwhile, Saturn Girl returns to the team to take over for the injured Tellus. And just who is thwarting Shrinking Violet’s love life? Featuring the return of the Legion’s old foes the Emerald Empress and Modulus, and introducing the new Reflecto!
When a few members of the Legion of Substitute Heroes commit a daring robbery, the Legion of Super-Heroes must face the possibility that the Subs have gone bad! However, it soon becomes evident that evil Legionnaires from the parallel universe of Earth-Three have invaded this universe, and they will stop at nothing to get what they want! Can the Legion defeat their ruthless counterparts, even with the help of the heroic counterparts of the Fatal Five? Introducing the Legion of Ultra-Villains and the Faultless Five!