This is heavily inspired by photographer Clay Enos, who would shoot portraits for many of Zack Snyder's movies. I followed his lighting style, which is to use "natural" light. He would place a white board as a backdrop facing north, usually just inside a garage. The sunlight bounces off the ground and any building in front of the subject.

What I did was use a distance light that bounces off two white boards, one on the ground and one in front of the subject.