Wolverine didn't kill Phoenix. The storylines in the comic are more intricate, and their interactions involve various plot developments and factors that prevent such a straightforward outcome.
Well, it's hard to say for sure. There are so many Wolverine graphic novels out there. Maybe it's in a special limited series or a crossover event. You could try checking online comic forums for more specific information.
The word count of 'To Kill a Mockingbird' is around 100,388 words. It's a very important novel in American literature, dealing with themes of racism and justice in the South.
One of the characters often considered to have a very high kill count in fiction is Thanos from the Marvel Universe. He snapped his fingers and wiped out half of all life in the universe in an instant, which amounts to an unfathomable number of deaths.