America at War: The Best of DC War Comics #1

Warsaw, Poland 1939. The Nazis are massing to rout the Polish Air Force, the only obstacle to their victory over Poland, and are being led by the Nazi commander, Captain von Tepp. However, in his attack, the brother and sister of a lone survivor are killed, and this survivor, later to become The Blackhawk, vows to hunt down von Tepp and make him pay personally for their deaths.