Nobody's dropping Infinity Ward; they are, as always before, taking two years to make the next Call of Duty, with Treyarch filling in in the interim year.
This isn't official! (Or at least I hope not!) But I've made this post based off of credible gaming site articles and patterns among previous releases of Call of Duty.
The simExchange, an online prediction market for video game sales, expects "Call of Duty 4" to sell 1.3 million copies this November and December just for Microsoft's Xbox 360, with total sales for all versions to eventually top 6.5 million copies
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