Deadpool, also known as the Merc with a Mouth, First appeared in New Mutants #9. He was a failed experiment of Weapon X, a super soldier program along with Wolverine and Sabretooth. Because of Weapon X, he gained healing abilities. Deadpool eventually became a mercenary. He has faced a huge variety of opponents such as the Brotherhood of mutants, the X-men, the Punisher, the New Mutants, the Avengers, etc. Deadpool has also had many comic book series and is in some video games such as Marvel vs Capcom 3.
