As a subject matter expert in comic book lore, I can provide you with an answer regarding Wolverine's death. Please note that the storylines in comic books can be complex and sometimes contradictory due to multiple universes and timelines. With that said, here's the information:

In the mainstream Marvel Comics continuity, Wolverine, whose real name is James Howlett and is also known as Logan, meets his end in a storyline that began with the "Death of Wolverine" arc in 2014. In this storyline, Wolverine is infected with a virus that strips him of his mutant healing factor. This virus, combined with the adamantium in his body, starts to poison him. Wolverine, realizing that he is dying, embarks on a final mission to protect his friends and allies. In the end, he is buried in a grave made of adamantium to prevent his resurrection.

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Plot. In September and October 2014, the "Death of Wolverine" storyline began after a virus from the microverse turned off Wolverine's healing factor, allowing his enemies to be able to kill him. ... As Dr. Cornelius dies, he demands to know what Wolverine accomplished in his life.read more >>