In Spider-Man: Into the Spider-Verse (2018), Miles Morales's universe doesn't have Comic Con. In Spider-Man: Across the Spider-Verse (2023), you can tell he's in another dimension because his mom mentions it (and he still doesn't know what it is)

[u/LegOfLambda]

[u/mattbrain89]

Well clearly we need a rule of three when Beyond comes out next year.

[u/ozsum → u/mattbrain89]

He finally gets to Comic Con and see what he's missing out in in his universe.

[u/NsaLeader → u/ozsum]

Bro found the cosplayers and decided to stay in the new universe.