TV and Movie crossovers are abundant in today's gaming space so no announcement is necessarily a surprise anymore. However, the execution of some crossovers will have fans of those franchises wishing that the idea was left on the concept room floor. The newest crossover between Call of Duty and Attack on Titan getting blasted on social media after it revealed the skin that is supposed to bring Levi Ackermann into both Vanguard and Warzone.