Smile 2's mind-bending twist could unlock the key to solving the Smile curse in Smile 3, but with a horrifying new twist.

How does this evil entity kill people? And will we see it ... if the curse can really be broken, and the Smile curse is free ...

Smile 2, released on Oct. 18, showcases a number of scary sights, including but not limited to the freaky ear-to-ear grin on ...