Uncanny X-Men #239 (1st Cover Appearance of Mr. Sinister)🔑 - Marvel Comics

In Sinister’s hideout Malice discovers that she’s permanently bonded to Polaris. The X-Men find out that Jean Grey is still alive. Carol and Rogue start to share the body, Carol proves to be capable to master the girl’s mutant powers. Madelyne and Alex start to fall in love, Madelyne bargains with the demon N‘astirh about finding her son.