Tony Stark tells Peter not to worry about that, or the flying Vulture that he has a run-in with, but Spider-Man continues his investigation and ends up on a ferry which very nearly sinks, killing everybody, until Iron Man arrives to save the day.
Tony Stark tells him to slow down and be a “friendly, neighborhood, Spider-Man.”
Here’s the basic rundown of Spider-Man: Homecoming according to that trailer.
To that end, Peter does his best to make New York City a better place from a ground level perspective.