COVER BY MIKE MCKONE. JUDD WINICK (W)/JIM CALAFIORE, KEV WALKER and JON HOLDREDGE (A). The Exiles face their greatest challenge to date... a world overtaken by the Legacy Virus. The team loses one of its most valuable members ...and the loss sends them into a tailspin. Collects Exiles # 20-25. 144 PGS./FC/MARVEL PG.