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What Is Marvel Mystery Oil Made Of?

Before we get into the secret ingredients behind Marvel Mystery Oil, it's probably a good idea to first explain that the stuff is — because it sounds like something Spider-Man would use to refill his ...
Boston.com

Solving the ‘Mystery’ of using a fuel and oil additive

John Paul, AAA Northeast's Car Doctor, answers a question from a reader curious about using Marvel Mystery Oil. AP Photo/David Zalubowski ...