The X-Men made their debut in 1963. Most modern fans are unaware that the original 1960s run of X-Men comics, while very influential now, but not popular in its time. The comic was ultimately a failure until the series had a creative relaunch in 1975 with Giant-Sized X-Men #1. Jean Grey, also known as Marvel Girl, ultimately did not become a popular character until her cosmic possession, and eventual death, by the Phoenix Force. After 62 years of publication, what are the best Jean Grey stories out there to read?
