It’s time to truly find out, as you’re invited to experience Blumhouse BLACKOUT this Halloween. Transforming a pop-up venue on Bateman Street in London’s Soho district, this two-floored immersive experience will take horror fans deep into the dark underbelly of classic Blumhouse horrors including The Black Phone, M3GAN and The Purge, in a multi-sensory horror experience sure to send a shiver down your spine. Combining interactive sets with…