One inflated ego to another, Tony's fairly certain he's recognizing the signs. For now, it doesn't change his goal to assist the new comers but that could change. The man was on his team, after all, so he might as well attempt to be cordial.

"Yes, taken," Tony repeats in a neutral, calm tone. "We haven't been able to find who it is that has done this to us. It would seem to be the conductor of the train," he gestures to the locomotive in case he was unfamiliar with the term. "However no one has met or seen him in person."