Tony drops heavily into a chair and immediately gets back up again to pace.

"Okay," he says. "Yes, that's good. But what about the controls? How can I fix him if I can't work with him, huh?"

He wheels on Steve, a feverish glint in his eyes. "Do you have any idea how hard it is to get into Wakanda? I don't know anyone who's managed it. The place is a complete mystery."