Does it count as a spoiler if it’s in the title? Jim Starlin don’t care, he does what he wants.
He and Marvel changed up their regular comic book format with The Death of Captain Marvel in 1982, the beginning of a line of original graphic novels intended to be richer stories for a more mature audience and published like traditional books.
But what kills him?!?!?! Sorry, no spoilers.
Next Time: Amazing Spider-Man #400: The Death of Aunt May