In an interview with Wired Activision has unveiled that they will be making regular updates to their Call Of Duty franchise,
every couple of weeks, and might be adding new missions or spec-op
modes instead of just multiplayer maps with each update. Activision is
hoping to create a persistent world for its players, one that is both
constantly evolving and perpetually played, explained Activision Publishing CEO Eric Hirshberg.

The new updates will help the new Call of Duty Elite subscription service become even more popular its hoped. Activision Publishing CEO Eric Hirshberg explains:
"The
idea of giving people constant incremental playable content and making
it so you’re never more than a few weeks away from the next new
experience within the Call of Duty universe is part of what we’re
experimenting with,”
"One of the things that was most appealing
...
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