If Tony noticed how flustered Bucky was, he didn't press it, though there wasn't a more obvious explanation for the flicker of an intrigued smirk as he turned away to limp back toward his abandoned armor. He ditched the other boot there with it to deal with later, then gestured for Bucky to stay close in case the broken face thing made navigating the undergrowth difficult as they made their way toward the whispered sound. They could clean up, consider the train out of reach at best and a threat at worst, and hope there was actually something to be found in this city other than an old station and some brambles.