Killer Instinct from Double Helix and Microsoft has a unique pricing structure. You can get the Xbox One game for free with one playable character. Additional characters cost $4.99 a piece. Jago, Sabrewulf, Glacius, and Chief Thunder are confirmed for the game.
The Combo Breaker pack includes the first eight characters. Six Killer Instinct characters will be available at launch and this pack includes early access for two more characters. Microsoft has this priced at $19.99.
Killer Instinct Ultra Edition is $39.99. This includes the eight characters from the Combo Breaker bundle, character accessory packs, character costumes, and the original Killer Instinct arcade game.