Shaking his head Nick only grinned. Tony was not the first person to ask. No one else had the answer before him, and Fury wasn't going to break the precedent. "Lost it in a war," he finally answered, and offered only a shrug, "You can decide which one." It was possible that he was telling the truth, or he could've lost his eye in some embarrassing way like a kitchen accident or a random bear mauling. The point was, Nick wasn't telling any time soon and maybe he never would.