Be aware there are spoilers for Pet Sematary. If you've seen the new spin on Pet Sematary, you know the filmmakers weren't afraid to stay true to the dark and dreary nature of Stephen King's infamously ghoulish horror tale. However, even though they were willing to go just as dark as King, they also embraced the freedom to take some major swings away from the story of the source material. This time around, it's not Gage but Ellie who dies in this tragic version of the tale, a new spin that lets the mysterious evil behind …