"Mm-" he tried in response to Fury, looking anxiously to the shield. It should last for some time, but with the weight pressing down against them like it this it was certainly straining to keep it up. He tried to giving a vague measurement of time with his hands, squeaking at Tony, and giving a cough. He eyes narrowed slightly at the teasing, catching the bottle and looking at it curiously before twisting it open.
"H-*cough*how bad?," he croaked, nodding towards Fury's wound guiltily.