In this scene featuring Ryan Reynolds, Deadpool becomes a trainee for the X-Men. He tries to calm down the angry young mutant Russell, or Firefist, played by Julian Dennison. The director David Leitch narrates the sequence and discusses the work that went into getting the visual effects, irreverent comedy and action of the scene just right. More from The New York Times Video: Subscribe: bit.ly/U8Ys7n Watch all of our videos here: nytimes.com/video Facebook: facebook.com/nytvideo Twitter: twitter.com/nytvideo ---------- Whether it's reporting on conflicts abroad and political divisions at home, or covering the latest style trends and scientific developments, New York Times video journalists provide a revealing and unforgettable view of the world. It's all the news that's fit to watch.