Trivia

Ryan Reynolds took a stand to play Deadpool—literally. Once he had his full body makeup on, he couldn't sit or lie down.
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Thank you for being a friend… In the comics, Deadpool is a massive Golden Girls Fan. In the movie, it cost the studio $10,000 to show Bea Arthur's face on Wade's T-shirt.
(Source)

Before she got into acting, Gina Carano, who plays Angel Dust, was an MMA fighter whose nicknames included Conviction and Crush, but, sadly, not Colossus.
(Source)

Oh, Canada! Deadpool is Canadian, just like Ryan Reynolds.
(Source)