Wolverine falls in love with Lady Mariko
It was the time when Wolverine traveled to Agarashima, Japan, and he came across Lady Mariko Yashida, daughter of a Chinese crime lord, Lord Shingen. He fell in love with her. What attracted him by the way? It was her gentle demeanor. And finally, X-Men departed on its way.
Hellfire Club
Since Wolverine learned to build trust among other X-Men members, he became good friends with Nightcrawler. At one instance, both of them breaks into a New York club called Hellfire Club. And then Phoenix came under the influence of Mastermind and the transformed result is Black Queen. After a battle, Black Queen turns into Dark Phoenix.