"I figured out it had something to do with Insight, but this is the first I've heard of any algorithm," Fury tells them. "We need to find out what it does."

"Sitwell might know something," Nat offers. Her gaze is shuttered, her expression thoughtful. "He was on that ship."

"Then we've got to talk to him," Steve says. "I can--"

"You're not going anywhere," the medic snaps.

"Besides," Sam puts in, "you'd be recognized in a flat second if you tried to get anywhere near him."