In the alternate future timeline of the Adult Legion of Super-Heroes, the good fight continues with new members such as Lexor Man and Mr. Mxyztic. But even grown-up Legionnaires can be fooled, as shown when they are manipulated by Lightning Lord and Saturn Queen into letting them go free. Meanwhile, a new threat is on the horizon when a rogue Coluan with thirteenth-level intelligence who calls himself the Computyrant begins reassembling the Legion of Super-Villains!
As Timber Wolf takes Lightning Lass as his wife, sinister foes try to take the Legionnaires’ very lives when Lightning Lord returns seeking vengeance on the world that rejected him! But as the Legion of Super-Heroes struggles to deal with the apparent return of Validus, it must also contend with a desperate criminal couple from a possible future!