Question: What is the name of this fictional suprhero appearing in American comic books published by Marvel comics, whose mix tape in the film featured Guardians of the Galaxy Vol. 2 songs?
Sentence (from "Namor"): During that period, known to historians and fans as the Golden Age of Comic Books, the Sub-Mariner was one of Timely's top three characters, along with Captain America and the original Human Torch.
Relevant evidence: No