WRITTEN BY BRIAN K. VAUGHAN; ART BY PIA GUERRA AND JOSÉ MARZAN, JR.; PAINTED COVER BY ARON WEISENFELD In stores March 3. Concluding the 3-part story "Safeword." What really happened to Yorick Brown in the first days after the Plague killed every other male on earth? Find out, as this psychosexual journey through the memories of the last man comes to a haunting end. MATURE READERS FC, 32 PG. $2.95 Cover price $2.95.