https://www.cnet.com/news/spider-man-into-the-spider-verse-who-are-all-these-spider-people-miles-morales/

The trailers don't give us any sense that the movie will stick to the story line beyond the interdimensional aspect, but let's dive into some of the confirmed characters' histories ahead of the movie's Dec. 14 release.

We don't need to explain this guy, right? Bitten by a radioactive spider, uncle shot, "with great power there must also come great responsibility" -- you know this.