John Wick: Chapter 4' is in theaters now, and Lionsgate’s TikTok is releasing plenty of behind-the-scenes footage showcasing the movie's fast-paced action. In this clip, a stuntman performs an incredible tumble down a tall escalator and stays in character as a dead man while the heroes pass him by. The clip has 51.5 million views, and fans can't believe their eyes. "HE WAS REAL?" Check it out below, INSANE.