Hrithik Roshan's Bang Bang and Shahid Kapoor's Haider are set to clash at the box office on an extended holiday weekend starting from 2 October. Bang Bang’, directed by Siddharth Raj Anand, is a remake of the hit Hollywood movie ‘Knight and Day’, with Hrithik and Katrina Kaif in the lead. While Vishal Bharadwaj’s ‘Haider’ is a desi adaptation of ‘Hamlet’, starring Shahid, Tabu, Shraddha Kapoor, Irrfan Khan and Kay Kay Menon.