Bobcat Goldthwait’s latest film, Willow Creek, still doesn’t have a theatrical release date yet, but it has received its very first trailer. We’ve seen the official poster, and my review from IFFBoston went up shortly after I caught the film at its world premiere (I really liked it), so suffice to say that it’s exciting to have the opportunity to show off some Willow Creek footage to people after talking it up for so long. Check it out below: Smartly, the trailer tries to show off what makes Willow Creek truly great: the relationship dynamics between Kelly (Alexie Gilmore) and Jim (Bryce Johnson) and the guest appearances by real-life Bigfoot fanatics and experts.…