The product is a single issue comic book titled "Captain Marvel #50" published by Marvel Comics in May 1977. Written and illustrated by various artists and writers including Petra Goldberg, Roger Slifer, and Archie Goodwin, the story features characters such as Captain America, Iron Man, and the Scarlet Witch. This first printing edition is part of the Bronze Age era of US Comics, with a cover artist of Al Milgrom and a focus on superhero and science fiction genres. The comic book includes the first appearance of Doctor Minerva and is considered a valuable collectible for fans of the Captain Marvel series.