Apple has signed a multi-year, first-look deal with Leonardo DiCaprio’s Appian Way Productions.The deal with Appian Way, which is co-run by Jennifer Davisson, covers both film and TV projects.DiCaprio is already set to star in Martin Scorsese’s film for the streaming service, “Killers of the Flower Moon,” and is a producer on Elisabeth Moss’s upcoming thriller “Shining Girls.”DiCaprio joins a stable of Apple producers including Oprah Winfrey, Idris Elba, Alfonso Cuaron, Julia Louis-Dreyfus,