A movie theater will have plenty of food for a long period of time so you will not have to search for food; only other supplies, weapons and ammunition.
A selected number of movies will provide entertainment. Thankfully the rooms are soundproof preventing anyone from hearing a movie playing from even in the hallway outside.
A movie theater with its own building will have access to the roof for an extra escape route so long as you have something to safely glide down to the surface.
A movie theater will have a number of entrances and exits, making it hard to barricade the building.
Survivors may have already looted the theater of all food.