Well there’s a lot of different things you can try like pitching it at Pitchfests -there’s even Virtual Pitchfest online. Or there’s also the graphic novel/comic book route if that works for your script. And if comic book isn’t right a lot of writers are having success with novelization. You can make a short film/trailer -if you do that with something like a Kickstarter campaign you can show there’s interest and an audience for your work. Studios regularly cruise YouTube for interesting stuff. Website and social media with lots of interesting, multimedia content are helpful too. Good Luck!