Hideo Kojima posted his schedule for the coming week on Twitter. On Wednesday he will arrive in London, for the Eurogamer Expo’s Developer Session on Thursday September 27th at 2PM. Apparently Kojima planned a surprise for this event. Metal Gear Rising Revengeance will be playable as well.
On Friday September 28th at 7PM Kojima will attend a Q&A panel session at BAFTA’s Annual Game Lecture 2012.
Source: Hideo Kojima’s Twitter