His emphasis gets Peter to straighten up a little. Obviously this is important. Of course, that's immediately followed by confusion. How could someone even have a new face? The rage distracts him from his confusion though. "They can keep you alive and feed on you over time?"

Because in that case, definitely glad the door is closed.

"What about the people in the city?" Because he comes from New York City and while that looked a little different from his NYC, it was still NYC and there were still people trapped there with it.