Uncanny X-Men #250 Vol. 1 1989 Marvel Comics 1st App High Grade B113-19

"The Shattered Star Polaris No More! The Vostok 3 Research Station, manned year-round by a team from the Soviet Academy of Sciences, located a comparative stone's throw from the south geomagnetic pole. --Introduction Zaladane wreaks havoc in Antarctica, using the machinery left by the High Evolutionary. She employs the Savage Land Mutates to capture Polaris and battle Ka-Zar. Note: This title is now published twice a month Corner Box; Colossus, Psylocke, Havok, Wolverine"

First Appearance of Worm