In a move that should surprise no-one, Sony has announced that the Killzone Trilogy will join the HD collection lineup on October 23rd. The Killzone Trilogy will feature all three games, including the original Killzone, now in HD and with full Trophy support. The collection also comes locked and loaded with three multiplayer maps for both Killzone 2 and Killzone 3.
While the front cover artwork suggests the trilogy is Move and 3D compatible, it is more than likely this only applies to the third entry, which already had those features (and is dangerously close to false advertising).
Sony also confirmed (via the PlayStation Blog) the games will be available separately on the PlayStation Network (including the never-before-released Killzone HD), but there were no other details about when that’ll happen or what the pricing of the individual games will look like.