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The Marvel Superheroes - Full Series Information, Trailer & IMDb Reviews

The Marvel Superheroes Season 1 Episode 12

Episode Title: Prince Namor the Sub-Mariner #3 - Not All My Power Can Save Me!, When Fails the Quest, The End of the Quest
Countries: Canada,
Airing Date: September 16, 1966
Runtime:22 mins
IMDb Rating:

Watch The Marvel Superheroes Season 1 Episode 12 online. Maybe available on Youtube, Netflix, PrimeVideo, Hulu, Disney and other legal streaming platforms.

The Marvel Super Heroes: The Mandarin discovers the robotic doomsday machine Ultimo and reactivates it.