The highly anticipated DC sequel Joker: Folie Deux has now debuted at the 81st Venice International Film Festival and, following some deeply divisive early reactions, the Rotten Tomatoes rating has now been revealed. And, sadly, its no laughing matter. Joker: Folie Deux now stands at 60% at time of wring, with the follow-up coming in weaker than the first, Oscar-winning outing, which holds a 69% on the Tomatometer.