Can't really predict but I wouldn't mind some of these:
Barbarian - Singles run (RR91)
Barry Windham - NWA run (World Wide Wrestling 1987 vs Flair)
Berzerker - brown cloth attire
Billy Graham - green tye-dye (1977)
Bret Hart - Survivor Series 1992, 1993, 1995
Bruiser Brody - with vest and chain
Bruno Sammartino - younger looking head sculpt, green trunks
Brutus Beefcake - Barber run (Shorter Hair SSL89 and Longer Hair RR90)
Buddy Rogers - any attire
Col. Mustafa - entrance gear (SSL91)
Kona Crush - SSL92 or WM9 or KOTR93
Evil Crush - RR94 or KOTR94
Davey Boy Smith - face run 1994 (Blue tights with Bulldog written on them, larger body sculpt and arms, new head sculpt)
Davey Boy Smith - heel run 1995/96 (IYH vs Diesel & Shawn or WM12)
Dino Bravo - 1988-1990 (WM4 or RR89 or WM6)
Dustin Rhodes - Early 90s WCW Run, the Natural, yellow trunks
Dusty Rhodes - Late WWF Run (Survivor Series 1990 team photo look w/ red polka dot trunks)
Earthquake - Canadian Earthquake Attire (RR90)
Great Muta - Japan Supershow 1991 vs Sting or SuperBrawl III
Greg Valentine - Rhythm & Blues attire (SNME 1990 or Survivor Series 1990)
Honky Tonk Man - Blue/Green Suit with black tights and blue or gold decals
Haku - King attire (RR89 or WM5)
Hulk Hogan - WM5-WM7 era with multiple bandanas and shirts
Ivan Koloff - WWWF Champion
Jake Roberts - 1991 Heel run (WWF Superstars Blue Flame Attire)
Jesse Ventura - Wrestler and Announcer
Jim Neidhart - Singles run/New Foundation Attire
Jimmy Hart - multiple jackets (Nasty Boys, Earthquake, Natural Disasters, Hogan, Quebec Flag)
King Kong Bundy - molded trunks
Koko B. Ware - WM6 or SSE90
Lex Luger - Early 90s WCW, blue or yellow trunks
Mr. Fuji - tux or robe
Mr. Perfect - SSE89, WM6, SSL90, KOTR93, SSL93, NWO
Owen Hart - WM10, KOTR94, SSL94, WM11, SSL97
Randy Savage - SNME88 vs Andre, WM5, SSL89, WM6, SSL90, SNME90 vs Dusty, SNME90 attacks Ultimate Warrior, Superstars 91 saves Hogan
Razor Ramon - RR94, SSL94, or IYH96 vs Vader
Repo Man - RR92 and WM8
Ric Flair - purple attire 1989 or yellow attire 1994
Rick Martel - pale blue attire (WM6) or pink attire (WM8)
Rick Rude - grim reaper tights (1989) or ravishing tights (RR90) or jungle tights (WM6) or some WCW attire
Ricky Steamboat - Early 90s WCW Attire
Roddy Piper - heel run 1984/85 with red Piper's Pit shirt, WM8, or WCW run with ICON shirt
Ron Simmons - WCW Champion, gold attire (Florida State Seminoles Attire)
Ronnie Garvin - WWF run (RR90)
Sgt. Slaughter - Heel run (WM7 entrance gear with beret and purple strap WWF title)
Shane Douglas - early WWF run (RR91) and Dean Douglas run
Shawn Michaels - SSE92, IYH95 vs Jarrett, RR96, IYH96 vs Diesel, SSE96, KOTR97
Sid Justice - RR92 or SNME92
Sting - any and all surfer Sting attires
Taz - ECW run 1997/98
Tito Santana - 1984/85 IC Title Run (Blue Trunks), El Matador Run (WM8, SSL92, WM9)
Ultimate Warrior - SNME90 vs DiBiase, SNME91 vs Slaughter, SSL91, WM12, IYH vs Goldust, KOTR96, RAW96 vs Owen or Vader
Virgil - WM7, SSL91, SSE92
Zeus - SSL89
British Bulldogs - WM2
Bushwhackers - Gray tank tops
Demolition - SSL90
Fabulous Rougeaus - heel run SSL88
Headshrinkers - KOTR94
Islanders - WM4
LOD - WM7 or SSL92
Mega Powers - SSL88
Money INC - WM9
Nasty Boys - WCW Attire
Power and Glory - SSL90 and WM7
Powers of Pain - Survivor Series 1989 team portrait
Rockers - Survivor Series 1991, WM6, RR91
Steiner Brothers - WM9, Raw 93 vs Money Inc, SSE93