S.H.I.E.L.D.
fictional intelligence agency in the Marvel Comics Universe / From Wikipedia, the free encyclopedia
S.H.I.E.L.D. is a fictional espionage, law enforcement, and counterterrorism agency of the federal government of the United States. They appeared in American comic books published by Marvel Comics. It was created by Stan Lee and Jack Kirby in Strange Tales #135 (Aug. 1965).