Wolverine rose to the top when it comes to popularity in a relatively short time. The breakout star of Uncanny X-Men at a time when it was the bestselling comic at Marvel, Wolverine's popularity kept increasing. Only Spider-Man became more popular than he was, and at times, even that has been debatable. During the 2010s, Marvel started a trend of killing its stars and replacing them. They put Wolverine on the chopping block in 2014's Death of Wolverine, a story that kept the fan favorite dead for several years.
Source：https://www.cbr.com/wolverine-death-return-pros-cons/
