Expendables star Jason Statham has faced a wide variety of enemies in his career, but the actor will soon take on his biggest, scariest adversary to date. It has been reported that Statham has signed on to topline the long-in-development giant shark thriller Meg.According to The Hollywood Reporter, Statham will star in the monster movie, which is to be directed by Jon Turteltaub, best known for the National Treasure films.