UNCANNY X-MEN (1963) #156

Cyclops learns that Corsair is his father, but there’s no time for a family reunion as the Brood arrive. Corsair, Cyclops and Storm are inside Blackbird after the battle against Sidrian Hunters last issue. Scott argues with Ororo because she haven’t told him Corsair is his father, and she says Jean asked her not to, and Corsair says he is the one who had told Jean not to tell him, because he doesn’t want Scott to get hurt again. Suddenly they are transported to a Shi’ar spaceship, with Xavier, Colossus, Nightcrawler, Kitty and Wolverine.…