Call of Duty 6 goes sci-fi?

http://gallery.techarena.in/data/1/Call-of-duty-6.jpg

Ahead of this weekend's Call of Duty: World at War reveal via Xbox Live Marketplace, comes a tasty little rumour hinting that the COD4 developer's next game will be a bit on the science fiction side.

Apparently an Infinity Ward team member spoke to someone from TalkPlaystation.com and told them that the company is at work on a new sci-fi title that may or may not see reveal at E3.

We're not sure how much into the future we're talking here and we hope we're not going to be shooting little green men or vampires on Mars. We've done a little digging only to be greeted by blank looks, which doesn't actually rule anything out in our experience. But it doesn't confirm anything either.

thats is crazy few weeks the cod 4 release & they are taking about cod 5 & after releasing the trailer of the cod5 they release the information of cod 6
wtf?????????