It Follows' David Robert Mitchell is cooking up a mysterious thriller with some major talent. Here's what we know about Flowervale Street.

David Robert Mitchell, the indie filmmaker behind It Follows and Under the Silver Lake, is set to make his studio movie debut with the genre-bending superhero movie Heroes & Villains. Mitchell wrote the script, and while details remain under wraps, it is described as a unique take on the superhero genre. That should come as little surprise, seeing as Mitchell can't help but be unique as a storyteller. The filmmaker burst onto the scene with his 2010 debut The Myth of the American Sleepover, a $50,000 coming-of-age drama that got him meetings around town. That …