Looks like we'll get a couple. If you click the gaf link, the first post has been updated with this information.
September 30 - Free
Free playable three villains
Can turn on/off some cut-scenes. during battles
Hyrule Warriors Master Quest:
October 16th - 1200 Yen
1 new Weapon
New Scenario
Adventure Map
2 Costumes
Twilight Princess
November - 1200 Yen
1 new character
1 new weapon
Adventure Map
2 Costumes
Majora's Mask
January - 1200 Yen
2 new characters
Adventure Map
3 new costumes
Ganon Pack
February - 500 Yen
2 New Game Modes