My guess for dlc pack 2 (besides Belial) : r/GranblueFantasyVersus

Granblue Fantasy Versus says the game has 1-2 years worth of DLC upcoming : r/Granblue_en

Granblue Fantasy: Versus Reveals Two New DLC Characters

Ferry (Versus) - Granblue Fantasy Wiki

Granblue Fantasy: Versus PV#23 (Anre) : r/Granblue_en

Guilty Gear vs BlazBlue: Multiversal Cross Assault, SNK Fanon Wiki

My DLC wishlist : r/GranblueFantasyVersus

GBVSR - Lucilius (EN VA by Sean Chiplock) is confirmed to be the first DLC character (Mid-January 2024) + Roadmap for DLC characters (from January through Autumn 2024) : r/GranblueFantasyVersus

Super Project Cross Tag Battle, Game Ideas Wiki

Double Tap – A Podcast for the Fighting Game Community