# X-Men the Hidden Years (1999) #20

Published: 2001-05-02T00:00:00+0000
Series: X-Men the Hidden Years (1999 - 2001)
Creators: Tom Palmer (cover artist), John Byrne (writer)

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Super-villain team-up: the Sub-Mariner and Magneto! Namor, King of Atlantis, joins forces with the Master of Magnetism! Can even the X-Men stop this deadly duo from triggering all-out war?