Deadpool is quickly going down in history as one of the most successful comic book films of all-time. The sleeper hit came out of nowhere, and has become a major influential force in shaping future films in its genre. Fans of Deadpool will be gobbling up all the behind-the-scenes featurettes when the film is released on DVD on May 10th, but we get an early look at one of these videos above — showing us how designers created the superhero’s now iconic mask. (Image credit: IGN)