FOR YEARS, the only host the dangerous CARNAGE symbiote knew was CLETUS KASADY. Sharing a bond unique even among symbiotes and their hosts, the two were the most notorious and prolific serial killers in the Marvel Universe. But after the events of EXTREME CARNAGE, Cletus' codex has found a new home, leaving the Carnage symbiote adrift, alone... and deadlier than ever before!