It's not rated R. That's like something I had to take on when I was talking with the studio. The first thing they said to me is that it gotta be PG-13. And I said, 'Ok, I can look at that as a challenge or a hinderance.' There's something about cinema — old cinema — where I get excited about some subversive things you can do with being held down by something like that or being censored. That I kinda found to be a challenge — how can I make this feel like a rated-R movie. I look towards what [director Christopher] Nolan did with Batman. Tonally, those don't feel like PG-13 movies.
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...it's a hard nut to crack because there are so many heavy themes — and there are some goofy stuff going on there too, but…. The trick for me is to simplify everything for the audience because you can't come in with that complexity.