THE X-MEN versus XORN
Planet X: Conclusion (Marvel comics)
Where: New X-Men #150 When: February 2004
Why: Grant Morrison How: Phil Jimenez
The story so far...
As a safe haven for gifted youngsters and adults alike, the X-Men welcome those in need with open arms, but sometimes this generosity comes with hazardous risk.
Having infiltrated the X-Men under the assumed identity of Xorn, Magneto reveals himself not as a beloved teacher, but rather as a drug-addicted man desperate to make his nightmarish vision a reality.
Under the influence of the power enhancing drug Kick, Magneto takes his old friend Charles Xavier prisoner along with several other misguided young X-Students, and proceeds to tear New York City asunder. Has drug abuse pushed Magneto over the edge, or does the helmet that birthed his deception hide more secrets regarding the true identity of "Xorn"?
Full Article: http://secretearths.blogspot.com/2006/12/x-men-versus-xorn-planet-x-conclusion.html