Mack Bolan is the super-soldier currently working on his own at arms length distance from the US Federal Government agency Stony Man. He occasionally takes missions from Stony Man's director and personal friend Hal Brognola and the President of the United States. Frequently he returns to Stony Man to lead the agency on missions.

His weapons of choice are the Beretta 93R which he traditionally carries in a vertical shoulder rig, and Big Thunder, a stainless steel .44 Auto Mag he usually wears on his hip. As well as being in two nuclear explosions, he has been knifed numerous times and shot several times in various different parts of his body, most recently in his left shoulder. He has been in numerous grenade explosions as well as having several warehouse roofs come down on his head. His only agenda is his own moral code, one that compels him to see that justice is done, whatever it takes.