he who hesitates is toast

He can't even begin to answer Sam's question. He gives Nat a quick onceover and notes that she looks bruised but fine, and takes refuge in what needs to be done. "Sam, get her out of here," he orders, and takes off at top speed for the Washington Monument, fueling every step with the adrenaline that hasn't stopped pumping through his body.

Was that really Bucky? Bucky's alive?