We check with Common Sense Media. We took dd10 and ds8 to see The Martian which is rated PG13 for bad language and brief nudity. (The nudity was a posterior shot to show how emaciated the astronaut had become.) CSM warned us of this, we were able to talk to our children about it and they enjoyed the film.
We also plan to take them to see Eddie the Eagle. Honestly, I am really disappointed that this "family" film is rated PG13, they couldn't clean it up enough for a G or a PG?
I don't think I would take dd10 to see The 5th Wave after reading the book. It is definitely a teen book, so I assume the movie will skew older.
I guess it comes down to message. If they have to hear a couple of f-bombs to get the message about perseverance, hard work, believing in oneself, etc...I am okay with that, not thrilled, but okay. I am not okay with a PG13 for a movie that is only for entertainment.