Ok, world. If you haven’t seen the trailer for A Monster Calls, stop what you’re doing right now and check this out! The video that follows is a stellar, stunning, and highly intriguing film starring Liam Neeson…don’t worry, he’s not rescuing his daughter in this one. Not even close. This film, from J.A. Bayona (The Impossible), looks so good you’ll wish this was playing in theaters starting tomorrow. But let’s clear this up right now. This is not The BFG, this is not Groot, it’s not even The Iron Giant, or even everyone’s favorite Ent, Treebeard. This highly original film (that takes place in the young boy’s head, obviously) features high caliber…