I'm not done yet...
Brotherhood of Evil Mutants III
Leader : Mystique
Membership : Mystique, Destiny, Pyro, Avalanche, Blob, Rogue
First appearance : Uncanny X-Men #141
Renamed to Freedom Force in Uncanny X-Men #199
Freedom Force
Leader : Mystique and Val Cooper as governmental liasion
Membership : Mystique, Destiny, Pyro, Avalanche, Blob, Spiral, Spider-Woman, Crimson Commando, Stonewall, Super Sabre
First appearance : Uncanny X-Men #199
Last appearance : X-Factor Annual #6. After the story the team consisted only of Avalanche, the badly hurt Crimson Commando and Spiral on the run - no team at all.