First, you need to make sure your location is set on your device for the area you are in. Go to your Alexa app on your phone and under “Settings” add your location. Country and Zip Code should be enough.
“Alexa, “What movies are playing?”
“Alexa, “When will Star Wars play?”
“Alexa, “Tell me about the movie The Wall”
“Alexa, “What comedies are playing Saturday night?”
If you have an Echo Show, you can ask her to show you the trailer for a particular movie
“Alexa, show trailer for [name of movie]