Challengers is a slow-building marvel that challenges everyone: its characters, on how far they'll go for the film's central theme; its writer, on the division between reality and fiction; and its viewers, on what they personally define as admirable and, conversely, as villainous.
Film fans have been stunned by the three-way kiss between Zendaya, Josh O'Connor and Mike Faist - and now the movie's director has made a shock admission about the water-cooler moment