This looks like an awesome movie, and it’s definitely on my watch list! Right now you can get a Free Just Mercy Movie Rental with FandangoNOW! If you haven’t tried FandangoNOW, it’s a great service. There’s no monthly fees, and you can rent all sorts of movies. They also offer free movies!
Plus, if you’re a Roku User, it looks like you can score some FREE FandangoNOW Credit! Simple look for a Starbucks ad to score a credit of $4.99! (May be limited to select users)