. "Hydra (comics)#Television" . "Hydra Empire" . "Hydra (comics)" . . "Hydra" . . . . "Hydra (comics)#Appearances in other continuities" . "Hail Hydra" . . . . "Hydra Medic" . "Hydra (comics)" . "Hail HYDRA" . . "HYDRA" . "Hydra Agents" . . . . "Hydra agents" . . . . . "H.Y.D.R.A." . . . . . . . . . "Sunil Bakshi" . "Hydra Operative" . . . . "THEM" . . .