Totally Killer's first trailer has been released, showing off the first proper look at a wild new time travel slasher movie from Blumhouse. Directed by Nahnatchka Khan, Totally Killer stars The Chilling Adventures of Sabrina star Kiernan Shipka as Jamie, a teen who accidentally travels back in time to the 1980s where she then tries to stop an infamous killer's murder spree before it can happen.
