Heres the concept fight of the Candidate Trials scene (Raleigh vs Mako) that was used between Charlie Hunnam and Rinko Kikuchi, follow by a possible unused Raleigh vs Stacker fight scene (?):
Here's the second concept fight of Raleigh vs Chuck that was used between Charlie Hunnam and Rob Kazinsky:
Here's "Brad Allan 2015 Action Design Reel" video, a compilation of
Brad Allan's action design work over the past decade that includes Hellboy 2, Scott Pilgrim, Kick-Ass, Pacific Rim and most recently, Kingsman: Secret Service (watch some more pre viz footage at the 2:06 mark):