The product is the Captain America #110 comic book published by Marvel Comics in February 1969 during the Silver Age era of American comics. Written and illustrated by Stan Lee, Joe Sinnott, and Jim Steranko, this issue features the introduction of Madame Hydra and notable appearances by The Hulk, Captain America, Bucky, and Hydra. With a focus on the popular superhero genre, this English-language comic book is part of the Captain America series and is a valuable addition to any comic book collection for fans of classic US comics.