The King of Fighters series eventually established their own self - contained continuity set apart from the previous Fatal Fury series and Terry became a staple in both franchises .
Fighters series was originally conceived as a crossover of SNK 's previous video game franchises .
The King of Fighters series , which was originally conceived as a crossover of SNK 's previous video game franchises , eventually established their own self - contained continuity set apart from the previous Fatal Fury series and Terry became a staple in both franchises .