acho Libre is loosely based on the story of Fray Tormenta ("Friar Storm"), aka Rev. Sergio Gutierrez Benitez, a real-life Mexican Catholic priest who had a 23-year career as a masked luchador. He competed in order to support the orphanage he directed. The producers are Jack Black, David Klawans, Julia Pistor, and Mike White.

Overview from themoviedb.org