Conversation so far:
What is Legion Quest?
Legion Quest is a six-part Marvel Comics crossover event involving the X-Men, published in 1994-1995. It was a prelude to the Age of Apocalypse extended storyline.
Was Legion's father happy?
What is the Age of Apocolypse?
The death of Xavier created a catastrophic alternate timeline, the Age of Apocalypse.

Question: What is significant about these two things?
Self-contained rewrite: What is significant about these two things?