The movie is PG-13, so with an adult if I could. But better take into consideration the other people who are there to see the movie, and a 2-year-old could make noise and bother.
If you can enter but I imagine it will be uncomfortable because it is a suspense movie and I do not think you can enjoy the movie
Of course you can enter. But I do not recommend it because it is very small and can get quiet.
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