By now, people are gonna start having the chance to see Frozen II, Jennifer Lee and Chris Buck's highly-anticipated sequel to their 2013 Disney modern classic. They'll have all of their questions answered, questions like: What will happen to my favorite characters? Are the songs any good? Has Olaf realized the irony of liking warm hugs? But there's still one question that remains for any folks who have yet to see it: Is there a post-credits sequence? Popularized by the MCU's Iron Man, in which Nick Fury shows up to tease the goshdarn Avengers …