Hydra

MCU

Cut off one head …
First appearance: The First Avenger (1943/2011)
Status: Crushed — officially

The story

Red Skull's Nazi science cult that secretly lived on inside S.H.I.E.L.D. after the war — 'Hail Hydra' became the MCU's biggest twist in 2014. Their cruelest creation: the Winter Soldier, Bucky's stolen 70 years. Officially crushed, but with Hydra 'officially' means little.

Weapon against his will & profiteer