Armageddon 2001 was a storyline in DC comics in which a hero would go bad, and the identity was a mystery. When a nine hundred number leaked the information, dc changed the ending, and it upset a lot of fans.
As seen in this link, the original ending to the Armageddon 2001 saga was written, altough not pencilled. http://politedissent.com/images/apr08/monarch.html
Was the original ending ever published? If not, are there any statements from DC that they will ever do so? It will be a 25 year anniversary next year.