The big thing is that Peter is going to not be a big fan of guns and will be going after guns even if he's involved in the tech side of things (and he may be the one in charge of trying to get those things back up and running, but I'm not sure yet!). If anyone's up for having their gun taken away. Peter's comfortable with fighting in the dark, and additionally, I would like to know who with a weapon actually intends to use their weapon! (See: Spider-sense stuff.)

Additionally, Peter is technologically inclined and capable of doing things pretty quickly. That said, he's a bit of a spaz. He will be in costume, so this is Spider-Man and not Peter, and that comes with all levels of not-shutting-up as you might expect. Feel free to find him as irritating as possible because he is kind of irritating.

Diplomacy: I don't know how to answer this because Peter's version of diplomacy is talk at/banter at the person and don't often expect results. Low?
Aggression: Moderate
Defensive Reaction: High, see: spider-sense
Threat Level: Low-Moderate in terms of "will Peter kill my dude?" because that's an absolute no. Will he disable with webs? Yes.