Microsoft visiting Kojima Productions for unnamed presentation

Metal Gear Solid creator and Kojima Productions head Hideo Kojima has sent out a Twitter update regarding a meeting between him and two Microsoft employees today.
“Mr. Urata and Mr. Yonekura from Microsoft, Kojima Productions visit. I have a presentation to do,” Kojima tweeted.
What could Kojima-san and Microsoft possibly be meeting about? Metal Gear Solid: Rising? Castlevania: Lords of Shadow? These are both multiplatform games from the Japanese developer.
How about that “confidential project“? Kojima has already been confirmed for an E3 appearance. Is Microsoft securing another exclusive?
Thanks, Siliconera.
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Maybe its the fps game…
A PS3/360 SNATCHER / POLICENAUTS / ZOE 3 / ANYTHING SCI-FI WITH MECHA PLEASE! OH YEAH, & SOME IN-ENGINE FOOTAGE/SCREENS OF MGS RISING & CASTLEVANIA…..
I have a feeling its MGS Rising, though Kojimas much touted “industry first” would be a very welcome addition.