starting offset is 0xC0000000
patch used is gold edition

(I think these 2 values are allocated dynamically)
0A047EDA (2 bytes) 1P character (also seen as 0A037C6A)
0A037C6E (2 bytes) 1P variant
0A047F2A (2 bytes) 2P character

Chris 00:
00 - BSAA
03 - BSAA with both armors?
04 - BSAA with no gear?
05 - Safari
06 - STARS?
07 - Warrior
08 - BSAA (Lost In Nightmares version)
09 - Heavy Metal

Sheva 01:
00 - BSAA?
01 - BSAA with melee armor?
03 - BSAA with both armors
04 - BSAA with no gear (from start of chapter 1-1)
05 - Tribal
06 - Clubbin'?
07 - Business
08 - Fairy Tale

Jill 02:
00 - BSAA?
01 - Battlesuit?
02 - Battlesuit (Desperate Escape version)
03 - BSAA (Lost In Nigthmares version)?

Wesker 03:

Josh 04:
00 - BSAA (story mode version)
01 - BSAA (Desperate Escape/reunion version)

Excella 05:
00 - Normal

Barry 06:
00 - STARS

Rebecca 07:
00 - STARS

While playing as Sheva Fairy Tale, search for this to find 1P character value: 0000000100000008000003E8000003E8

After starting the game go to mercs reunion and start as sheva fairy tale, the address for 1P should then become 0A047EDA for the entire session