Year 6: 1968
1968 X-Men Comics & Appearances: X-Men #42-53, Avengers #53 & #60!
Xavier dies, Magneto returns, the X-Men disband! The Avengers crossover, Polaris debuts! Roy Thomas leaves, Gary Friedrich comes & goes, Arnold Drake arrives! All that plus Jim Steranko in 1968!
031 - Year 6 Cover: X-Men #50