SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet played the game, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
The ManSpider‑Man: Miles Morales Plot Summary and Synopsis
The game starts with a quick recap of the previous adventure.
Miles Morales was a regular teen from Brooklyn who moved to Harlem after the Devil’s Breath attack on Manhattan, which had resulted in the death of his father, Officer Jefferson Davis during an attack by Martin Li/Mr. Negative. After helping Peter Parker take down Li and Otto Octavius/Doc Ock, Miles was also bitten by a radioactive spider.
He told Peter, who took him under his wing to teach him how to become his own Spider-Man.
Source: Wikipedia (CC BY-SA 3.0).