Scorpion's Toasty and Spear Head Slice
Subzero's ice grenade and Spine Rip
Reptile eating someone's head
Johnny Cage's multiple decapitation
Shang Tsung's REAL soul steal
Jax ripping someones arms off and the head clap
Kung Lao's vertical Hat slice
Kano's heart rip
Baraka's double blade impale (if he comes back)
Mileena's nail spit and inhaling the opponent and then spitting out the bones (if she comes back)

Get the idea