First appearances of characters whose name contains “Harm (Billy Hayes)”"

IssueTitleNotes
4Young Justice1st Appearance of Harm; 1st appearance of Harm (Billy Hayes); 1st appearance of Tora; Versus Harm; Versus Harm (Billy Hayes)
4/NSYoung Justice1st Appearance of Harm; 1st appearance of Harm (Billy Hayes); 1st appearance of Tora; Versus Harm; Versus Harm (Billy Hayes)