First on-screen appearance of Madelyne Pryor, a clone of Jean Grey created by Mr. Sinister.
Rogue & Magneto embracing in Gambit's hallucination is taken from Rogue's time with Magneto in the Savage Land, where they were briefly lovers. (Uncanny X-Men #269 from October 1990 & #274-275 from March/April 1991)