Greetings, Devil Dog! Welcome to the Call of Duty Forums. It looks like you're looking forward to Call of Duty: Modern Warfare 4, but haven't created an account yet. Why not take a minute to 
Call of Duty: Ghosts Onslaught was released to Xbox Live and PlayStation Network for Xbox 360, Xbox One, PlayStation 3, and PlayStation 4. Nightfall was an episodic content included with Onslaught, Activision wanted to tease players about the scale of the experiments of these creatures in Onslaught, and Devastation. Enjoy the outro...
View: https://www.youtube.com/watch?v=Z4nZwbgiCMg
