An ad appeared in a Japanese magazine indicating that Kojima's new project will be revealed on the 18th of May.
The ad shows dark clouds in the shape of Snake.
To quote hweita of GameTrailers forums (linked above):
Here's an ad from a Japanese gaming magazine today:
Personally I see the clouds in the shape of Snake lying down... Dark clouds in the picture indicate a storm (Raiden = storm in Japanese) is coming?
Wow... Hope we get to know a lot more on the 18th of May :)
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