Struggling to find his place in the world while juggling school and family, Brooklyn teenager Miles Morales is unexpectedly bitten by a radioactive spider and develops unfathomable powers just like the one and only Spider-Man. While wrestling with the implications of his new abilities, Miles discovers a super collider created by the madman Wilson "Kingpin" Fisk, causing others from across the Spider-Verse to be inadvertently transported to his dimension.

During the 1980s, a failed stand-up comedian is driven insane and turns to a life of crime and chaos in Gotham City while becoming an infamous psychopathic crime figure.