Hands down, the most expensive X-Men comic of the 1980s is the first one. While it actually hit stands in late 1979, 1980 appears in the indicia. This is the first appearance of two X-Men: Emma ...

And that’s why this comic book is so valuable, with a CGC 9.6 copy selling for an amazing $3,600,000, not only topping this list but holding the record for the most expensive comic book of all time.