HYDRA Laboratories

The HYDRA Laboratories are a HYDRA research and indoctrination facility and the main headquarters for Daniel Whitehall.

History
Daniel Whitehall managed to brainwash former S.H.I.E.L.D. Agent 33 into working for HYDRA]]

Jemma Simmons started working for HYDRA as an undercover operative under Phil Coulson's orders.