Why did Wolverine kill his brother?

Sabretooth trains a guy named Kade Kilgore in combat where Kade is told to focus on his hatred towards Wolverine's school (Wolverine become the principal of the Xaviers school at a stage) Sabretooth holds a party with some of Wolverine's enemies to celebrate becoming the "invisible" ruler of East Asia. read more

Whereas Lady Deathstrike's father was the one who created the adamantium-bonding process that Weapon X stole and used on Wolverine, with Lady Deathstrike feeling she has to kill Wolverine and take back his adamantium skeleton to regain her father's lost honor. read more

Sabretooth tells Daken that he will kill Wolverine and then kill Daken. The three of them follow his trail to Maybelle, Arizona. Sabretooth and Lady Deathstrike continue searching Maybelle for Wolverine when they are attacked by zombies made from those at a birthday party. read more

Wolverine did not willingly volunteer for the adamantium infusion. The couple that found Wolverine after his escape were the leader of Alpha Flight and his wife, and he convinced Wolverine to join Alpha Flight. Wolverine did not serve in Vietnam as he was a member of Alpha Flight and then the X-Men in the 1970s. read more