Why can’t I do split-screen on Modern Warfare?

Why can’t I do split-screen on Modern Warfare? Ensure that the second controller is also turned off. Next, ensure that you are logged in with the main account (the one that holds ownership of the game) and launch Call of Duty: Modern Warfare normally. Also, ensure that the 2nd player controller is turned off.

Ensure that the second controller is also turned off. Next, ensure that you are logged in with the main account (the one that holds ownership of the game) and launch Call of Duty: Modern Warfare normally. Also, ensure that the 2nd player controller is turned off.