Michael Wilson (The Legendary Spider-Man) - The main protagonist who has traveled back in time to prevent the catastrophe in the Spider-Verse.
Peter Parker (Spider-Man) - The deuteragonist who joins Michael and Miguel in their mission to save the Spider-Verse.
Miguel O'Hara (Spider-Man 2099) - Tritagonist who provides Michael and Peter with crucial information about the impending doom.
Future Peter Parker - The Main antagonist from a different timeline within Peter Parker's universe, responsible for causing the catastrophic events in the Spider-Verse.
Liz Allan (Octavia) - A former love interest of Peter Parker who has undergone a transformation, becoming a monstrous villain known as Octavia.