I have it, and the other episode that had changes. I gave it to someone here a while back, apparently that wasn't you =)
AluminumFalcon maybe?
Yep, here's the thread: http://originaltrilogy.com/forum/topic.cfm/X-Men-Animated-Series-Pilot-Sneak-Peak-and-No-Mutant-Original-Version-FOUND/topic/12958/