Does anyone remember this article? He said Solid Snake would appear in MGS5. In a recent interview with Hideo Kojima(As recent as yesterday), Geoff Keighley asked Hideo Kojima how much the game has changed since it was an idea in his head, and he said it had changed very little.
With the recent announcement that David Hayter would not be voicing Big Boss in Metal Gear Solid 5, could this be a coy attempt to bring in a young Solid Snake, voiced by Hayter? Some would argue that he is Solid Snake.