The Namor The Sub-Mariner #10 comic book, published by Marvel Comics in January 1991, features the character Namor, also known as the Sub-Mariner, in an exciting underwater adventure. This vintage comic from the Copper Age is a first printing, bagged and unread, making it a highly sought-after collectible for fans of US Comics and the Marvel Universe. With a grade of 8.5 Very Fine+, this English-language comic offers a glimpse into the world of marine superheroes in the United States.