Export the "nativePCx64" into your ULTIMATE MARVEL VS. CAPCOM 3 Directory.

NOTE: Make sure the increase the ColorExpansion.ini to 22 to access the new color if placing it in slot 22
NOTE2: Increasing ColorExpansion.ini will give EVERYONE 22 slots and will crash if you pick a character without a costume in that slot unless you apply the the Color Expansion fix as shown in attached example

Contains costumes for slots for both 22