Astonishing X-Men #10
A MAN CALLED X Part 4
Evil doesn't always know it's evil. Proteus has a wonderful gift for the world - all he needs is a little time for the finishing touches. The X-Men race north to stop him, and choose their field commander for the battle to come. It's the mutants unleashed at last, fighting Proteus' army for the fate of the planet. Evil doesn't always know it's evil.