S4·E21 The Spider Slayers (1)
Core
Aired October 8, 2016
Synopsis
Spider-Man must team with the former traitor, Scarlet Spider, to stop Doc Ock from reawakening a secret program designed to create evil duplicates of Spider-Man.
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Frequently Asked Questions
When did Season 4 Episode 21 of Marvel's Ultimate Spider-Man air?
Season 4, Episode 21 ('The Spider Slayers (1)') originally aired on October 8, 2016.
How long is Season 4 Episode 21 ('The Spider Slayers (1)')?
The episode follows the standard broadcast runtime for Marvel's Ultimate Spider-Man.
What happens in Marvel's Ultimate Spider-Man Season 4 Episode 21?
Spider-Man must team with the former traitor, Scarlet Spider, to stop Doc Ock from reawakening a secret program designed to create evil duplicates of Spider-Man....