It would seem that Sony and Activision are allowing players to upgrade their Call of Duty: Infinite Warfare pre-orders.

　　The official PlayStation EU store has currently listed three Call of Duty: Infinite Warfare upgrades, which allow those who have pre-ordered the game to upgrade to a more expensive version. The upgrades aren’t listed on the official US store for the time being.

　　The EU PlayStation Store currently has three upgrades listedCurrent upgrades include a standard to Legacy Edition upgrade, a standard to Deluxe Edition, and a Legacy to Deluxe Edition upgrade.  Based on the version you own, the upgrade will cost you either

　　€ 20,00 or € 40,00.

　　"UPGRADE INFORMATION:

　　Make the best digital sale for the Call of Duty®: Infinite Warfare - Upgrade from Standard to Deluxe!

　　Upgrade to Call of Duty®: Infinite Warfare Digital Deluxe Edition and get access to Call of Duty®: Modern Warfare® Remastered * and Call of Duty: Warfare Infinite Season Pass ** including 30 days earlier access to the Modern Warfare campaign for one great price! Access begins on 10/05/2016.

　　Play from 04/11/2016 midnight local time.

　　* Call of Duty: Modern Warfare Remastered contains the campaign and 10 multiplayer maps from Call of Duty® 4: Modern Warfare. For more information on www.callofduty.com/MWR_FAQ.”

　　As far as we know, Sony and Activision have yet to officially announce this ‘upgrade’.  At the moment of writing, there isn’t any mention of the Infinite Warfare upgrades on the Microsoft store. Activision has allowed game upgrades in the past - Last-gen console owners were allowed a free digital Call of Duty: Advanced Warfare and Destiny upgrade to the next-gen (PS4 or Xbox One) version.

　　For Limited Time, Fans Who Purchase Digital Copy of Sledgehammer Games' New Call of Duty for Xbox 360 Can Upgrade for Free to Xbox One, PlayStation®3 Gamers Can Also Upgrade for Free to PlayStation®4

　　Additionally, Xbox One Fans Will Be Able To Pre-Order and Pre-Download Their Digital Copy Starting Soon

　　All Digital Pre-Order Copies Also Receive Special Day Zero Edition, Including First Ever 24 Hour Early Access Ahead of Official Release Date

　　Season Pass Available Now for Purchase on All Platforms

　　Call of Duty: Infinite Warfare will release on November 4 for PS4, Xbox One and PC. As always, we will update when we learn more on the matter.