The Punisher has always been a complicated Marvel antihero: a man whose creator imagined him as a reaction to the failures of government at home and in the Vietnam War. So why is the Punisher’s trademark dripping skull insignia — a menacing image used throughout history to denote imminent death — being painted on police vehicles, adopted by members of the military, and donned by white supremacists?This episode of Endless Thread explores the story of The Punisher’s symbol as a meme, and looks at how well we understand its origins, its use today, and whether its creator — or Marvel — can take it back.