I saw that movie in 1999 I think, when I was still TBM. Frankly I was surprised someone other than a mormon would make a movie about mormons so when I saw it running on cable I had to check it out to see what it really was. I would never admit this at the time but I thought it was pretty f*cking funny. I watched it a few times after that as a mormon. Looking back I realize I was a pretty crappy mormon anyway so its good I got out.
Incidentally, it's by the folks that brought us the "All About the Mormons" episode of "South Park" and the Broadway hit "The Book of Mormon": Trey Parker and Matt Stone.
Trey Parker stars as the mentioned Mormon missionary turned porn star superhero.