Fans are already calling it “The Beatles Cinematic Universe” on social media. That play on the currently maligned “Marvel Cinematic Universe” moniker began trending on social media after Deadline first broke the news that Sony Pictures Entertainment and award-winning filmmaker Sam Mendes would be releasing a new biopic about the seminal British rock band, The Beatles. But one movie, no matter how epic, does not constitute a “cinematic universe”… So what gives? Well, the other tidbit of news from Deadline was that Mendes and Sony would not be doing a (singular) biopic about The Beatles. Rathe…