The villain called Ultimatum is here - and New York doesn't know what hit it! But while chasing this mysterious man from a mysterious place, Miles Morales finds himself in a very awkward situation involving his uncle. And when something huge happens, the young Spider-Man is faced with a dilemma that could threaten everything he holds dear! Caught in the middle of a war between Ultimatum and the old guard, Miles is about to cross paths with a monumental, classic Spidey villain - and the lives of more than one Morales are on the line! Plus, it's thirteen miles from Washington Heights to Brooklyn, and Miles' uncle Aaron is a wanted man. Racing against the clock and out of web-fluid - with only their wits and their fists, can Spider-Man and the Prowler make it home?