The product is a key issue of Marvel Team-Up #65 from January 1978, featuring the first appearance of Captain Britain and a cameo appearance of Spider-Man. This comic book, written by John Byrne, Dave Hunt, and Chris Claremont, is from the Bronze Age era of US comics and is a valuable collectible for fans of superheroes. The cover art by George Pérez and Joe Sinnott adds to the appeal of this iconic piece of Marvel Comics history.