The origin of x-23: https://youtu.be/-TiwtgY9b9o SUBSCRIBE! ▸ http://bit.ly/2ovOT5I FOLLOW ME HERE! ▸ Twitter.com/Comicsexplained ▸ Facebook.com/Marvelexplained ▸ Instagram.com/Comicsexplained ABOUT ME: This channel was designed to assist in answering all of your questions about Marvel Comics and DC Comics in an easy to understand way. --- Venom, or the Venom Symbiote, is a fictional character appearing in American comic books published by Marvel Comics, commonly in association with Spider-Man. Venom made his first appearance in The Amazing Spider-Man #300.