Was Donnie already dead? Had Tony not noticed that he was freezing to death for long enough that he was already sprinting down the street carrying a body? The creatures poured out of the building in his wake, half of them on fire and screeching against their deaths as they were rapidly consumed, the others shoving those aside coldly to continue their pursuit. Tony just had to get behind a closed door, he just needed some space, one of these buildings had to be intact enough for him to put a wall between himself and finding out what it was like to be eaten by bats.

That's where he knew that pattern from, he knew someone that had been eaten by bats.

Not the time. Tony threw his already bleeding, now bruised shoulder into the next door that he saw, whirling around to kick it closed and brace the weight of himself and whatever was left of Donnie against it, only to hear glass shatter as the bats flung themselves carelessly through the windows.