3. The Parallel Stories
The giant step up that I've been referring to in Black Ops' game stems mainly from the introduction of two stories in two different timelines which connect the game's seemingly massive story. This will give constant dynamism and freshness to the story gameplay; if you're bored of shooting Russians in the non-predictable US propaganda Cold War setting, then soon enough there will be a futuristic shoot them up sequence to follow and keep the game coming at you from as many different angles as the bullets you will be poorly dodging and screaming at. The addition of storyline affecting choices as well is another massive step up in Call of Duty story progression and one which will help raise it above the generic shooter that it has become since it raised the bar in Modern Warfare; and left it there.