Anthony Edward Stark

You don't expect your enemy to look at you like that and Tony rolls back ever so slightly in the desk chair. The room is pretty nice, but he's already messed it up while he built part of a lab to take a look at Bucky's arm. He'd been salivating over it, scanning it with JARVIS through the suit and--

And not expecting to see such fear in those blue eyes of his father's killer.

"Not what again?" he asks, just to be certain. "Put you back on ice? Hate to tell you but your masters are gone. We cut off all of their heads. Hard to grow back more when you're a dead hydra. You're safe. More or less. Your lucky I like to tinker."