The trailer for Halo 4's Spartan Ops co-op missions offers users a glimpse at the new missions and cinematic back story offered every week as they progress through the game's multiplayer.
Microsoft will release five 10 to 15 minute-long Spartan Ops missions as DLC. Season One includes 10 episodes and 50 missions at no additional cost to the retail price of the game.
Halo 4 is scheduled to release Nov. 6 on Xbox 360.