Comics is a medium used to express ideas by images, often combined with text or other visual information. Comics frequently takes the form of juxtaposed sequences of panels of images.

The character Wade Wilson is a former test subject of the Weapon X program, possessing a regenerative healing factor and an unstable compiling of other Weapon X experiments. Deadpool's powers and personality traits combine to make a wild, mentally unstable, and unpredictable mercenary. Deadpool has been a member of X-Force and the Thunderbolts, and a self-professed member of the X-Men and Avengers. The Merc with a Mouth is infamous for breaking the fourth wall.