FBA Next has strict file path limitations. Ensure that the total path length to the ROM files is short and does not contain unusual special characters or spaces.
If you are curating your own pack rather than downloading a massive full set, ensure you include these FBA-compatible classics: Fba Next Pack Roms
FBA Next and FBNeo support compressed ROM archives in and 7z formats. You should never extract the contents of these archives—the emulator expects them to remain compressed. Keep your ROMs in their original ZIP or 7z containers. FBA Next has strict file path limitations
Which (like RetroArch, EmulationStation, or a standalone emulator) do you plan to use? Marvel vs. Capcom
: The backbone of legendary titles like Street Fighter II , Marvel vs. Capcom , and Street Fighter III: 3rd Strike .