Modern Warfare 2 writer speaks on what could have been

If you’ve played through Infinity Ward’s Modern Warfare 2 you’ll know that the campaign’s story line revolves largely around things that could realistically happen. Sure, it’s fun but imagine a few aliens running around and then you’d really have yourself a game.
While that may seem impossible to be in such a game, Modern Warfare 2 writer Jesse Stern let us know that such things were actually considered when Infinity Ward was thinking up the plot for the game. Below is a quote taken from a GamePro interview with Stern:
“In the beginning we talked about having things in Modern Warfare 2 like outbreaks, viruses, chemical warfare, and even outlandish things such as aliens and the living dead,”
OK, we can live without zombies in the campaign but Infinity Ward, can we please get a Taliban Zombie Spec Op mission?