[Hated Trope] New Character in a series abruptly and brutally kills an established fan favourite character for shock value
Mortal Combat X/ Mortal Combat 11: D’vorah killing Baraka, Mileena, and Scorpion
The Predator (2018): The evolved Predator killing a classic Predator
Jurassic Park 3: The Spinosaurus killing a Tyrannosaurus Rex