The original X-Men animated adventure!

Pilot for unproduced X-Men series for NBC, focusing on the matter-phasing Shadow Cat, alias Kitty Pryde. Magneto and the Brotherhood of Mutant Terrorists plan to divert the Scorpio comet to Earth, hoping to create a new ice age for humanity and the era of mutant supremacy. It's up to the X-Men, and new recruit Kitty, to follow the magentic menace to his spacebound Asteroid M and foil his plan.