how long are average movie previews
- Report Abuse. 1  How Long Are Movie Previews. 2  Amc Theaters Previews. 3  At AMC theaters they tell you it's 15 minutes, give or take a few minutes.  This Site Might Help 1  You. depends on the movie, some range from 5-to about 12 2  min. about 12 minutes.  it's 15 minutes at my place.=) zeyra z Â· 9 1  years ago. About ten minutes.