https://wccftech.com/activision-removes-quran-references-in-call-of-duty-vanguard-zombies-mode/

Call of Duty: Vanguard players have come across several references to the Muslim holy text in the game's Zombies mode. Several players found pages of the book scattered across the floor in one of the game mode's maps. While this reference might seem inoffensive to some, it is pretty disrespectful for Muslims to find pages of their holy book stained with blood and scattered across the floor. As such, players made their concerns known to Activision and they promptly responded.

Below, you can see screenshots and video captured by the first person to catch the Quran references: