Giant-Sized Issue - "I, Magneto...!" Story by Chris Claremont. Art by Dave Cockrum and Joe Rubinstein. The X-Men's oldest and most dangerous adversary - Magneto - offers the world an ultimatum...turn over all political control to the Master of Magnetism or he will destroy mankind. And, the only thing that can stop is the X-Men. NOTE: This is the issue where Magneto sinks a Russian nuclear sub. An act that will come back to haunt him several time in the future (see X-Men vs. Avengers #1-4, Uncanny X-Men #200, and X-Men [1990- ] #1-3). - Odinson, Lone Star Comic Archivist Cover price $0.75.