Must not have see the movie. Everytime they do some aerial, like a flip or leap instead of using a stuntman or at lease some limited CGI, they instead have Hughe Jackman on wires. They've done it every xmen movie. When storm is flying up the elevator in the first movie when she takes out toad. When wolverine is on top of the train in The Wolverine. In this movie when he is running through forest and dives into the tree. When Beast does anything in any of the movies. I'm not saying they need to go over board with the CGI like in Justice League. or Overboard with the edit like with all of black widow's scenes. But if you give them costumes it's pretty easy to have an actual athlete do a actual flip or leap without it being obvious super obvious. They're stuff looks like croaching tiger hidden dragon. I prefer Bruce Lee vs Chuck Norris type stuff.