When Peter returns from the events of the Infinity War he isn't the same as he once was, struggling to cope with the events and the loss, how will Peter cope with a new threat to the city.
There's a moment, in some peoples' lives, when you realize you weren't destined for anything normal. Sometimes, if you're lucky enough, you get two.
Discovering my powers was the first.
And Peter Parker was the second.
And everything that followed those moments
...was simply amazing.