WRITTEN BY JEPH LOEB; ART AND COVER BY ED MCGUINNESS AND DEXTER VINES In stores December 24. Even though the whole world is against them, Superman and Batman still have one thing... family. The two heroes are joined by Supergirl, Nightwing, Robin, Superboy, Huntress, Krypto and more as they take on Luthor and those allied with him. For more information, see the feature article. FC, 32 PG