WHATEVER KNOWS FEAR! Biochemist Ted Sallis was developing a serum for military application, but was tragically killed in a freak accident before he could perfect it. Still, the data behind his formula remains property of the United States government and the Weapon IV Program to this day -- Mutants aren't the only ones to have weaponized flora! Marvel Comics proudly presents a sensational new hero ready to fight back against the new world order! No longer just a man not a thing he's All-American soil and he's reporting for duty Benjamin Percy (Wolverine, X-Force) and Georges Jeanty (Weapon X) introduce MAN-SLAUGHTER!