Apple is changing its theatrical film release strategy after several big-budget films underperformed at the box office.The film 'Wolfs' starring George Clooney and Brad Pitt was released in a limited number of venues before streaming on Apple TV+.Apple plans to continue this approach with upcoming titles like the World War II drama 'Blitz'.Apple's Hollywood studio will focus on making about a dozen movies a year, most with budgets under $100 million.