(Puss in Boots 2) Before his epic debut duel, Death is shown in the opening scene watching from an alleyway. He's also in the death-montage number cards.

(Spider-Man: Far From Home) Quentin Blake/Mysterio and his team is secretly stalking Peter on his Europe trip to ensure the plans go smoothly

(Game Changer) Sam Reich's iconic line is "I've been here the whole time." Yes, he's an antagonist.