Comcast’s shares are up about 2% in pre-market trading after it reported Q2 results that, although mixed, were largely upbeat for the sprawling company. Its NBCUniversal — more specifically Universal’s film studio — was the glaring exception as releases including The Huntsman: Winter's War paled next to last year’s slate which included Jurassic World, Furious 7, and Pitch Perfect 2. Overall, Comcast’s net income of $2.03 billion was down 5.1% vs last year’s Q2 on revenues…