In the comics, Negan and Alpha didn't have a sexual relationship. The storyline focused on other aspects of their characters and conflicts.
No, they don't. Their relationship in the comics doesn't involve that aspect.
Negan doesn't sleep with Alpha in the comics. The comic plot doesn't go in that direction. Their characters have different arcs and interactions that don't involve that kind of relationship.
Negan manages to kill Alpha in a rather unexpected and brutal way. He uses his wits and strength to get the upper hand.
Sure did. Negan met his end in the comics. It was a development that had a big impact on the overall plot.
Sure did. Negan made a comeback in the comic series. His return added some new twists and turns to the story.
No, Negan didn't join the Whisperers in the comics.
They outsmarted him and used a combination of strategic planning and teamwork.
No, Rick didn't kill Negan in the comics. Negan survived and continued to be a part of the story in some capacity.