Symbiote Legion

During the Vietnam War in the 1970s, former S.H.I.E.L.D. director Nick Fury had already begun work on the Super Soldier Program. He had discovered a Black Dragon frozen within an iceberg, intending to use it as a source of extraordinary power. Using a specialized device, Fury pierced the iceberg and carefully extracted a tiny amount of black liquid from the dragon. The liquid possessed the ability to attach itself to hosts, granting them physical abilities beyond imagination. S.H.I.E.L.D.