Warner Bros. has released the new and final trailer for the highly anticipated upcoming DC Comics adaptation Joker. I'll be perfectly honest, up until this point, I really didn't see the need for a Joker origin story, a standalone movie for the iconic supervillain, or an excuse to send the fanboys into a frenzy for all the wrong reasons by delivering an apologetic for the glorified fictional psychopath/sociopath. This trailer may have just made me a believer. The strength of this movie and how it's received will likely fall on Joaquin Phoenix's performance above all …