Uncanny X-Men #154 (6.0)

REUNION! The swashbuckling space-pirate Corsair crash-lands on the school grounds of Xavier's Institute. He comes to the X-Men with a dire warning of impending doom. However, he may not get to deliver his message as he is pursued by an alien contingent of bounty-hunters determined to stop him. Plus, Cyclops finally learns the truth about his relationship with Corsair!