While Wolverine has led an exceptionally violent comic book career from the very beginning, his early battles with the likes of the Incredible Hulk still pale in comparison to the horrors he has faced in the years since. Wolverine has just experienced what may very well be the most gruesome event of his entire life, all thanks to none other than his worst enemy. Worse still, this is just the latest in a long line of moments that have come to define the relationship between Wolverine and Sabretooth, and what comes next isn't going to be any better.
Source：https://www.cbr.com/wolverine-sabretooth-birthday-attack-fall-of-x/
