According to Hollywood Deadline, American TV network FOX is developing a remake of the popular Korean singing competition show with the help of production company Smart Dog Media. 

'Mask King' airing every Sunday on MBC is the battle of the vocals featuring mysterious singers - usually a professional singer, actor, or comedian - under a mask. The popular competition show has already been remade in China, Thailand, Cambodia, and the Phillippines. Specific details on the American remake are not yet confirmed. 

Stay tuned for updates.