Fatal Fury: City of the Wolves adds Kain R. Heinlein; DLC characters Andy Bogard, Joe Higashi, and Mr. Big announced - Gematsu
- Fatal Fury: City of the Wolves adds Kain R. Heinlein; DLC characters Andy Bogard, Joe Higashi, and Mr. Big announced Gematsu
- Fatal Fury: City of the Wolves Game Reveals Kain R. Heinlein in Character Video; More Season Pass 1 Characters Anime News Network
- City of the Wolves: SNK Unveils Kain Heinlein, Open Beta Roster, and DLC Plans PCMag
- FATAL FURY: City of the Wolves DLC reveals Andy, Chun-Li, Ken, and more at Evo Awards 2025 Esports.gg
- Kain R. Heinlein announced for Fatal Fury: City of the Wolves EventHubs