Sixteen. This kid should be worrying over whether his grades are good enough and whether his crush will give him the time of day, not getting drawn into Avengers’ family squabbles or fighting cyborg rats.

“If there’s only one nest or one entrance to the nest, I’ll... well, I’ll just be surprised.”

Besides, a little overkill can be therapeutic when no one’s actually getting hurt, and Bruce has a lot of frustration in need of an outlet since getting dumped on a train to nowhere.

So Peter is welcome to go hunt rats’ nests, but Bruce is making a waterless moat so he can work in peace, at least until the rats start building bridges.