He supposed that was the best he was going to get. Tony peered at the guy with Bucky Barnes' face--he was almost definitely hiding something, was acting way too weaselly to not be, but Tony couldn't see any signs in his body language or expression that he was lying about not following HYDRA. Tony finally pulled his eyes away from the assassin and looked up at Rogers for a moment. Hope you know what you're doing, Cap.

"Fantastic," he grumbled with a sigh, at last turning his attention back to the metal arm.

"Fixing a Russian Nazi guy's crazy cyborg arm on Independence Day. Happy Fourth of July."