Story setup
What Sony says the finale is about
Miles Morales is trying to get home while Miguel O'Hara's Spider Society hunts him. Sony's current synopsis says his family has been fractured and endangered, turning the finale into a race across time and space to reunite what matters most to him.
This is a concise paraphrase of Sony Pictures Animation's current official synopsis, not a fan plot prediction.
The sequel must resolve
- Earth-42: Miles is stranded away from his home universe.
- Family: the danger to Miles's parents remains central.
- Spider Society: Miles and Miguel's conflict over “canon” is unresolved.
- The Spot: the threat established in Across is still active.
Spoiler-safe by default Reveal the ending setup from Across the Spider-Verse
Miles uses the Spider Society's “go home” machine but is sent to Earth-42 because the spider that bit him came from that universe. There, his father is dead, his uncle Aaron is alive, and the Earth-42 version of Miles is the Prowler. Back on Earth-1610, Gwen assembles allies to find him while The Spot's threat to Miles's family escalates.