S.H.I.E.L.D. is a fictional espionage, special law enforcement, and counter-terrorism agency appearing in American comic books published by Marvel Comics. Created by Stan Lee and Jack Kirby in Strange Tales #135 (Aug. 1965), it often deals with paranormal and superhuman threats to international security.The acronym originally stood for Supreme Headquarters, International Espionage and Law-Enforcement Division. It was changed in 1991 to Strategic Hazard Intervention Espionage Logistics Director