E3 '07: Killzone 2 officially due in 2008 - GameSpot

Sony rolls out self-styled "ultimate first-person shooter" in Los Angeles; new in-engine game trailer inside--available in HD on PS store this afternoon.
Killzone 2 is a sequel to the squad-based shooter from SCEA.

Killzone 2 Updated Hands-On - GameSpot

PS3 Killzone is set to detonate

PlayStation 3 - Wikipedia

GameSpot's Best of 2008 Special Achievement Awards

Killzone 2 on the PS3- A Review From A Nobody

Wii U's Graphical Grunt is Laid Bare - Shall We Play Games Now

The truth about a suspicious Killzone 2 trailer in 2005 finally

Warhawk (2007 video game), Ultimate Pop Culture Wiki

E3 2008: Killzone 2 Gameplay Media - MonsterVine

PS3 Killzone is set to detonate