But do the Punisher's origins trace back even further? In 1971 Vietnam, Captain Castle's platoon faces a Viet Cong attack...and to survive, he must make a grim choice. Then, Punisher's old partner Microchip, long thought to be a casualty of Castle's war, resurfaces with a startling offer! COLLECTING: BORN 1-4, PUNISHER (2004) 1-12