It's a complex situation. Different storylines and villains have targeted the Avengers, but no one specific character can be said to have killed them all outright.
There isn't a single individual who kills the entire Avengers team. In various comic arcs, different villains pose threats and sometimes cause harm or casualties among the Avengers, but not a complete elimination.
In the comics, it's not a single character who kills Negan. His fate is more complex and involves a series of events.
I'm not sure exactly who kills Homelander in the comics. It's a complex storyline.
It was Thor who ultimately defeated and killed Gorr in the comics.
Kang's demise in comics is a complex matter. It could be a result of a team-up of heroes, or it might be due to an unexpected turn of events involving multiple characters and their actions.
I'm not sure. You might have to read the comics to find out for sure.
Well, Negan's end in the comics isn't straightforwardly due to one specific killing act. It's more complicated and involves multiple factors and characters' actions.
Superman was killed by Doomsday. This event had a huge impact on the comic storyline. It led to many developments and plot twists.
Wolverine's death in the comics was a result of a combination of factors. There was a powerful enemy, and also internal conflicts within the comic's universe that contributed to his demise.
The character of Thanos gets defeated in the comics by a variety of factors and characters. It could be a powerful solo hero or a coordinated attack from a group of them.
In the comics, it's a complex situation. Different storylines might have different outcomes, but as of the common ones, no one has directly killed Homelander.