Ever since his introduction to the Marvel Universe over three decades ago, Wade Wilson, aka Deadpool, has become a fixture of grim, gritty, and gun-toting stories throughout a myriad of comics. Along the way, Deadpool even became nearly synonymous with the likes of X-Force, not to mention some of mutantkind's most explosive stories.
Source:https://www.cbr.com/deadpool-xmen-member-trivia/