Spidey and the Avengers' Halloween plans are turned upside down by the mysterious Hallows' Eve, who plays magical tricks on trick or treaters and plans to ruin Halloween forever.
| Actor | Role |
|---|---|
 Nick FisherPeter / Spider-Man (Spidey) / Kid at Party (voice) | Peter / Spider-Man (Spidey) / Kid at Party (voice) |
 Este HaimHallows Eve (voice) | Hallows Eve (voice) |
 Patrick StumpJack O’Lantern / Party Goer (voice) | Jack O’Lantern / Party Goer (voice) |
 Lincoln BonillaTony / Iron Man (voice) | Tony / Iron Man (voice) |
 Armen TaylorHulk / Levitating Ghost Decoration (voice) | Hulk / Levitating Ghost Decoration (voice) |
 Cruz FlateauT'Challa / Black Panther (voice) | T'Challa / Black Panther (voice) |
 Roger Craig SmithCaptain America / Owner (voice) | Captain America / Owner (voice) |
 Maya TuttleWasp / Woman (voice) | Wasp / Woman (voice) |
 Nicolas RoyeWEB-STER / Parent (voice) | WEB-STER / Parent (voice) |
 John Eric BentleyMr. Von Carnegie / Man (voice) | Mr. Von Carnegie / Man (voice) |
 Eric BauzaMr. Kim / Dad (voice) | Mr. Kim / Dad (voice) |
| LLilou LangDaughter (voice) | Daughter (voice) |
| DDelilah BlombergKid (voice) | Kid (voice) |