After his Cannes and Oscar-winning “Parasite,” we were all wondering what Bong Joon-ho’s next film was going to be. Well, Tilda Swinton has kind of spilled the beans in a recent Spanish interview by divulging that she is currently working with Bong on his new movie. No other details were mentioned. This would be their third collaboration together after “Snowpiercer” and Okja.” Stay tuned …