Uncanny X-Men #350 Newsstand

"Trial and Errors" Spat and Grovel take the captive Gambit to a fortress in Antarctica as he recalls the assignment given to him years ago by Mr. Sinister. Rogue, Beast, Joseph and Trish Tilby assemble a rickety vehicle to follow them. In New York City, Psylocke is determined to investigate Maggott’s darkness and shadow-teleports him, herself and Archangel away. In the Antarctic, as their vehicle dies, Joseph painfully senses something or someone, and raises the huge fortress from below the ice. They enter, finding various symbols of justice. Strangely, Psylocke, Archangel and Maggot emerge in the same Antarctic fortress, albeit in separate areas. Maggott meets Joseph, who is attacked and defeated by an unseen foe. Maggott seems to know the attacker and as part of an old debt he agrees to play along. One...