S.H.I.E.L.D.

S.H.I.E.L.D. is a fictional espionage and secret military law-enforcement agency in the Marvel Comics Universe. Created by Stan Lee and Jack Kirby in Strange Tales #135 (Aug. 1965), it often deals with superhuman threats.

The acronym originally stood for Supreme Headquarters, International Espionage, Law-Enforcement Division. It was changed in 1991 toStrategic Hazard Intervention Espionage Logistics Directorate.

Within the various films set within the Marvel Cinematic Universe, as well as in the animated series The Avengers: Earth's Mightiest Heroes, the acronym stands for Strategic Homeland Intervention, Enforcement and Logistics Division.