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"HYDRA factions have taken control of our East African Headquarters and the Treehouse. And those are just the ones we know of."
"It's gonna be a scramble, a power grab."
Victoria Hand and Phil Coulson[src]

The Treehouse is a former S.H.I.E.L.D. base that was overrun by HYDRA.


HYDRA was forced to reveal their infiltration within S.H.I.E.L.D., and HYDRA operatives started sieging and attacking every S.H.I.E.L.D. facility they had access to, including the Triskelion, the Hub and the S.H.I.E.L.D. Academy. The Treehouse was also attacked, and an HYDRA faction managed to take control of it.[1]


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