Regal Cinemas Fox Run and RPX theater will open its doors once again in Newington on May 7. The theater, which closed in October of last year in response to COVID-19, is one of many Regal Cinemas locations reopening across the country, according to the company’s website. Regal Cinemas movie theaters are set to resume their operations in locations nationwide at a staggered rate from April 2 to May 14.