His chest is heaving, rapidly lifting up and down, but his voice stays steady. Gruzavój vagón," he says, and silence falls over the lab, except for his own ragged breaths and those of Bucky Barnes.

Tony can't bring himself to ask, can't say anything else – what if it didn't work, and the Soldier looks to him for orders? It's Vision, who, after a moment of listening to the silence, says, very gently: "Bucky?"

And Bucky Barnes looks up at Tony, his gaze clear and unclouded, not a hint of the Winter Soldier's blankness anywhere to be seen.