While it is a fictitious television show, the show is based on many legends and religions. Whether or not you believe it you must decide for yourself. Is Supernatural really ending this year?

The Icons: Neoreligious Objects In Supernatural\n\n The program's diegesis is steeped in Christian religion, yet the organized institutional understanding of religiosity is rejected at almost every turn as being too rigid to be useful for the characters' experiences.

In short, no, Modern Warfare 3's Zombies experience is not free-to-play. Players have to purchase the full version of Modern Warfare 3 in order to access the game mode, even if they have no interest in the campaign or multiplayer. If you're an experienced CoD player, this shouldn't exactly come as a surprise.

OPERATION DEADBOLT: AN ALL-NEW OPEN-WORLD ZOMBIES EXPERIENCE\n\n For the first time, team up with other squads to survive and fight massive hordes of the undead in the largest Call of Duty Zombies map ever.