The Oscars are six days away, if you can believe it. Will best picture go to “The Big Short,” “The Revenant” or “Spotlight”? That’s the question on everyone’s minds. Underneath it all, there are a few categories that seem locked up, but could give way to a shocker. Here are five potential upsets to keep an eye on next weekend. Our final Oscar predictions will land tomorrow, just as voting draws to a close.