The product is a vintage comic book from 1975 featuring the characters Dr. Doom, Sub-Mariner, Attuma, and Tiger Shark. This single issue belongs to the Super-Villain Team-Up series by Marvel Comics during the Bronze Age era of US Comics. The story titled "If Vengeance Fails!" is written by George Evans and Jim Shooter, making it a valuable collectible for fans of the Marvel Universe and superheroes in general.