Every team has cover tropes of their own, images and ideas that are brought back numerous times over the decades. X-Men (Vol. 1) #139 introduced a cover trope to the X-Men, one that we would see many, ...

X-Men (Vol. 2) #1 is the best-selling comic in the history of the industry, and made the ’90s the decade of the X-Men. Marvel went all out for the book, getting Jim Lee and Scott Williams to draw a ...

An iconic X-Men cover by Dave Cockrum, with original cover art that hasn't been seen in 40 years? That sounds like a perfect storm of elements to get the attention of serious original art collectors.