Strategy Informer  

Sony has officially announced Killzone Trilogy, which had been leaked by Amazon UK a week ago. The bundle will be released on the 23th October for $39.99 USD.

The game features all three Killzone titles, including an HD remaster of the first Killzone, as well as all of the map packs from the second and third games in the series, including:

Killzone 2 Map Pack Bundle

* Steel & Titanium Map Pack
* Flash & Thunder Map Pack
* Napalm & Cordite Map Pack

Killzone 3 Map Pack Bundle

* Steel Rain Map Pack
* Killzone 3 Retro Map Pack
* Killzone 3 From The Ashes Map Pack

Killzone HD will also get full Trophy support as well.

Source: PlayStation US Blog

Related games: Killzone Trilogy (PS3)