Capcom is planning to have 4 add-on packs with the release of Resident Evil: Revelations. As revealed by the Season Pass, which is one of three pre-order bonuses on Steam (in addition to an Artbook and Soundtrack for Resident Evil: Revelations as well as the Lost Planet: Extreme Conditions game thrown in for free), the game will sport 4 content pieces that “will be revealed and available shortly after the game’s release”.
Resident Evil: Revelations hub
Capcom announced that Resident Evil: Revelations, the game originally launched for the Nintendo 3DS last year and received lukewarm reception, will be making its way to 4 much larger gaming platforms on May 21, 2013. Revelations is set between the events of Resident Evil 4 and 5.