From Press Release:
The official Campaign trailer for Call of Duty: Modern Warfare 4 is now live. It digs deep into the story, centered on John Price’s shadow operations, including conflict with former allies and alliances with a former foe. Experience the invasion of South Korea and the threat of a weapon that could overturn the world order in the hands of the villainous Archer.
Players who digitally pre-order the game on any platform can play the Campaign early on October 16.
Check out the Modern Warfare 4 official campaign trailer here.
Full details are available at the Call of Duty blog here.