'We're supposed to start prepping on it soon': The Mummy 4 gets its first tease from Ready or Not 2 directors — it's going to be chaotic The Mummy 4 is officially slated to start filming in August — and Ready or Not 2 directors already make it sound absolutely unhinged. #Ready #absolutely_unhinged #officially_slated #sound_absolutely #start_prepping #start_filming #Mummy
