During the Paris Game Week several reveals and confirmations were made regarding content available for Final Fantasy XV after launch.
There will be three DLC focused on Noctis’ (the game’s protagonist) friends: Ignis, Gladiolus, and Prompto. It is confirmed, that each of them will be the playable character in their respective story.
Here's concept art for Prompto's episode! Gladio, Ignis & Prompto will be playable characters in their DLC episodes & look out for more info pic.twitter.com/hA0XWe0sq3
— FINAL FANTASY XV (@FFXVEN) October 27, 2016
Additionally a cooperative multiplayer mode is planned, letting up to four players join a shared game and play as Noctis or his friends.
The DLCs will be all included in the Season Pass, per confirmation on the game’s official Twitter account.
All the DLC we've talked about at #FFXVPGW will be included in the season pass
— FINAL FANTASY XV (@FFXVEN) October 27, 2016