Ryan Reynolds har fået en særlig forkærlighed for den såkaldte "R-Rating" til biograffilm efter at have medvirket i to Deadpool-film, hvor både vold, bandeord og "modent" indhold er tilladt. Selvom Detective Pikachu er lavet til blandt andet de helt små, så fortæller han nu, at de faktisk har optaget R-Rated dialog til filmen.
I et interview med ComicBook fortæller Reynolds, at de optog mange versioner af de samme jokes, og at nogle er relativt voksne af natur.
"Inevitably I'm at the mercy of the filmmakers...It's motion capture, it's all imagination, you go into a room - I'm alone basically - I have tracking dots all over my body, tracking suit, that kinda stuff, and then it's just throwing 800 versions of any joke or any moment up against a wall, and leaving it to some poor editor to sort of sort through and figure out. And that's kind of how it worked, I did that for about a year, off and on, just going into the booth, and ya know...some things would come out probably a little PG-13, bordering on rated-R, so that stuff didn't make it..."
Nu begynder nogle fans at bede om en mere moden version af Pikachu-karakteren i filmen. Det kan være at det cut kommer med på den fysiske udgivelse om nogle måneder.