Want to see “Barbie” or “Oppenheimer” but hesitate at the cost of movie theater tickets? Now’s your chance. This Sunday, more than 3,000 movie theaters around the country will offer $4 movie tickets in celebration of National Cinema Day. It's the second year that theaters will host the event. Organized by the Cinema Foundation, a nonprofit affiliate of the National Association of Theater Owners, last year's National Cinema Day saw an estimated 8.1 million moviegoers buy tickets, according to the AP.  Here's a look at the local theaters that will be participating in the deal. Albany County Landmark's Spectrum 8…