Continued from ADVENTURE COMICS #10! Supergirl meets Brainiac 5 of the Legion of Super-Heroes for the first time! But Brainy has not only already met Supergirl, he's already loved and lost her. Confused? Not as confused as Supergirl! Plus, Brainiac unleashes a weapon that spells the end for New Krypton and only Superman and the Legionnaires can stop it!