HYDRA's top undercover agent Secretary Alexander Pierce hid in plain sight as a high-ranking official in SHIELD and member of the World Security Council. Under his rule, with the virtual brain of Arnim Zola still kicking, HYDRA almost conquered the United States via massive Helicarriers powered by the Insight algorithm - which was designed to proactively eliminate potential "threats" to a HYDRA-run U.S. The Red Skull may have been blasted into space decades previous, but his spirit lived on inside of Secretary Pierce.
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