series lineups for Minimates

Series 1
Daredevil and Kingpin
Daredevil Yellow and Elektra
Daredevil yellow and Elektra Black (chase)
Hulk and Bruce Banner

Series 2
Spider-Man and Carnage
Battle-Damaged Spider-Man and Venom
Battle-Damaged Spider-Man and Venom with tongue (Canada exclusive)
Black Spider-Man and Venom (chase)
Peter Parker/Spider-Man and Green Goblin

Series 3
Ultimate Wolverine and Ultimate Storm
Ultimate Sabretooth and Logan
Ultimate Jean Grey and Ultimate Cyclops
Ultimate Jean Grey and Visorless Ultimate Cyclops (chase)

Series 4
Unmasked Spider-Man and Doctor Octopus
Masked Spider-Man and Gwen Stacy
Battle-Damaged Daredevil and Bullseye
Unmasked Daredevil and Bullseye (chase)

Series 5
Thing and Doctor Doom
Thing and Unmasked Doctor Doom (chase)
Civilian Wolverine and Juggernaut
Captain America and Absorbing Man

Series 6
Iron Man and Ghost Rider
Stealth Iron Man and Ghost Rider (chase)
Gamma Hulk and Leader
New Wolverine and New Jean Grey

Series 7
Ultimate Spider-man and Chameleon
Ultimate Spider-Man and J. Jonah Jameson (chase)
Rhino and Grey Hulk
Spider-man 2099 and Silver Surfer

Giant-Sized X-Men Boxed Set
Cyclops
Storm
Nightcrawler
Colossus
Thunderbird
Wolverine

Exclusives
Peter Parker and Mary Jane (2003 conventions)
Ultimate Spider-Man and Grey Hulk (2003 cons)
Silver Surfer (Tower Records)
Gaijin Wolverine and Mariko (2004 cons)
Battle-Damaged Captain America and Punisher (2004 cons)
Professor X and Magneto (actionfigureexpress.com)
Silver Centurion Iron Man and Original Iron man (actionfigureexpress.com)
Iron Fist and Luke Cage (Wizard)

TRU and Wal_mart have both have exclusive sets that repackaged the above figures in 2-, 4-, and 5-packs, but they include no original figures now that Series 7 has been released (Rhino was originally a TRU exclusive).

I'm happy to say I own every Mate listed above except for Visorless Ultimate Cyclops.