Originally a secret branch of the Nazi party. Acting as a deep science division, and lead by Captain America's nemesis, "The Red Skull," Hydra eventually set out to conquer the world using advanced technologies acquired by harnessing the powers of the cosmic cube, but was thwarted by Captain America.
Hydra grunts: HAIL, HYDRA! HAIL, HYDRA!
The Red Skull: *Smiles*