Deadpool: Want to talk about what's haunting you, or should we wait for a third act flashback?
Wade Wilson: Your little cinematic universe is about to change, forever!
Paradox: Mr Wilson, you appear to have soiled yourself while unconscious.
Wade Wilson: I wasn't unconscious.
Wade Wilson: Is that supposed to be scary? Pegging isn't new for me, friendo. But it is for Disney.
Blind Al: Wanna do some cocaine?
Wade Wilson: Hey! Cocaine is the one thing that Feige said is off limits.
Blind Al: What about Bolivian marching powder?
Wade Wilson: They know all the slang terms. They have a list.
Blind Al: Even snowboarding?
Wade Wilson: Even disco dust.
Blind Al: White Girl, Interrupted?
Wade Wilson: Even Forrest Bump.
Blind Al: Do you want to build a snowman?
Wade Wilson: Yes! But I can't!
Answer: In addition to knowing he's a character in a movie, Deadpool likes to fancy himself as a superhero, and the mask is part of his branding.
Phaneron ★