The main game is getting more updates:
https://nintendoeverything.com/blood...uly-2-details/
One is Boss Revenge Mode, where you can play as the bosses against Miraim, Zangetsu, and Dominque.The other is more color options on the barber.
They also have it so the following modes are unlocked when you start the game:
Speedrun Mode – Unlocked
Randomizer Mode – Unlocked
Boss Revenge Mode – Unlocked
Zangetsu – Unlocked
These requires game progression to access:
Boss Rush
Hard Difficulty
Nightmare Difficulty