Click on any thumbnail for a bigger version and custom figure recipes. The group titles are my way of organizing these X-Men villains, they work ok for the most part
Magneto and his Acolytes - Exodus, Magneto, Fabian Cortez and Senyaka
Classic X-Men Villains - Arcade, Juggernaut, Black Tom Cassidy and Mesmero
80's Villains - Apocalypse, Mr Sinister and the Goblin Queen
Horsemen of Apocalypse - Pestilence, Death, Famine and War
Age of Apocalypse - Holocaust, Sugar Man and Dark Beast
Powerful Foes - Shadow King (Amahl Farouk), Shadow King (Astral), Phoenix and Dark Phoenix
Hellfire Club Wave 1 - Black Queen Selene, Black King Sebastion Shaw,White Queen Emma Frost and a Hellfire Guard
Hellfire Club Wave 2 - Black Bishop Harry Leland, Black Queen Jean Grey, White Bishop Donald Pierce and Mastermind
Brotherhood of Evil Mutants - Toad, Mastermind, Scarlet Witch and Quicksilver
Brotherhood of Evil II / Freedom Force - Avalanche, Pyro, Mystique, Destiny and Blob
Mojoworld - Quark, Mojo and Spiral
Reavers - Skullbuster, Lady Deathstrike and Bonebreaker
Upstarts - Fabian Cortez, Trevor Fitzroy and Siena Blaze
Dark Riders / Riders of the Storm - Genesis w/ Spyne, Barrage and Tusk w/ minion
Morlocks / Gene Nation - Callisto, Marrow and Hemingway
90's Villains - Sabretooth, Omega Red, X-Cutioner and Stryfe
The Brood - Warrior (winged), Broodling, Queen and Warrior
Phalanx / Technarchy - Cameron Hodge, Harvest and Magus
Villains Wave 1 - Albert (Robot Wolverine), Elsie Dee, Nanny and Orphan-Maker (aka Protector)
Villains Wave 2 - Ahab, Commando, Danger, Grovel & Spat
Savage Land Villains - Garokk the Petrified Man, Zaladane, Sauron, Whiteout and Amphibius
Shi'ar Empire - Eric the Red, Deathbird and Vulcan
Powerful Foes 2 - Onslaught, Onslaught (Evolved), Apocalypse w/ Ozymandias and Apocalypse (Giant)
Sentinels - Nimrod, Sentinel, Master Mold, Classic Sentinel and Bastion
Giants - The Living Monolith and Krakoa, the Island that Walks Like a Man