FILE - In this May 21, 2013 file photo, Nancy Tellem, right, the entertainment and digital media president of Microsoft, and Bonnie Ross, left, general manager and studio head of 343 Industries, announce a new Halo live-action TV series for Xbox Live, during an event to unveil the next-generation Xbox One entertainment and gaming console system, in Redmond, Wash. Master Chief is returning to the battlefield next year. Microsoft announced plans Friday, May 16, 2014, to release the video game sequel "Halo 5: Guardians" for the Xbox One and a "Halo" television series to be produced by Steven Spielberg in fall 2015. (AP Photo/Ted S. Warren, file)