What I loved most: The story and antihero super hero

What I really hated: not enough backstory

I like how for once there is a super hero with no contending evil to put up with. I also like how it goes through the stress of the public - he didn't do something perfectly and he is criticized. He saves a man's life and the people around criticize his method. All in all good story, could use a bit more backstory, excellent acting okay direction, amazing visuals.