It's a bit complicated. Jean Grey's fate varies depending on the comic storyline and continuity. Sometimes she's dead, but often there are plot devices that bring her back.
One of the best Jean Grey stories is 'The Dark Phoenix Saga'. It's a classic that shows Jean's struggle with the powerful and dangerous Phoenix Force. Her transformation into the Dark Phoenix and the resulting chaos is both thrilling and tragic.
Well, Jean Grey's death in the comics has multiple scenarios. One common cause was her inability to control her immense psychic powers, which led to her demise. Another time, she might have given her life to protect the world or her fellow mutants.
Yes. The circumstances surrounding Jean Grey killing Cyclops in the comics are quite dramatic and have significant implications for the story and other characters.
The story where Jean Grey has to rescue her fellow X - Men from a dangerous situation using only her wits and powers is also quite memorable. She has to face many obstacles and enemies alone, but she perseveres. It shows her strength and loyalty to the team.