Uncanny X-Men #521: B: Special (1 in 15)
a cover of issue #521 of Uncanny X-Men by Marvel Comics
Issue description
'NATION X' What on Earth is Magneto doing on top of Mt. Tamalpais, just across the Golden Gate Bridge from San Francisco? He's not telling and the X-Men Psychics can't get it out of his brain. But he's been up there for days plotting something that will rock the X-Verse to its core. All this while Wolverine, Psylocke, Colossus and Fantomex take on the foes that have been plaguing the X-Men since the start of 'Nation X'. Part 7 (of 8).
Rated T+