On Sunday the mall is Close but the movie theater isn't do I just go in the mall and walk to the theater

There is an entrance designated for the movie theater right next to the Luxe Cafe, across from Best Buy.

You are able to enter from parking lot under the theater. You can take the escalator right up.

You can enter by shake shack as well

Entrance from parking garage

There is an outside entrance. But if you park in garage you can still take escalator.

Yes, If you park in the vicinity of the theater that entrance is open to access it.