'SACRIFICES MUST BE MADE': There's a secret, savage world far below the streets of New York-and Section Zero must survive it in order to find their missing leader. KARL KESEL (Harley Quinn, Superboy) and TOM GRUMMETT (The Death of Superman, Superboy) continue their high-octane, high-adventure miniseries. 70985302789800300 600490 APR190194 Karl Kesel;Tom Grummett;Dave Gibbons