WRITTEN BY KELLEY PUCKETT; ART AND COVER BY DAMION SCOTT AND ROBERT CAMPANELLA In stores October 9. Batman enlists Batgirl to help him apprehend a dangerous new metahuman. But the metahuman is merely the first step in a wider investigation to find a mysterious figure named Alpha. Unfortunately for Cassandra, the only person with info on Alpha is the one man she never wanted to face again: her father, the deadly assassin David Cain! FC, 32 PG. $2.50 Cover price $2.50.