X-Men #20 (May 1966) 4.5 VG+

X-Men #20, published in May 1966, is a Silver Age Marvel comic featuring the X-Men, written by Roy Thomas with cover art by Jack Kirby/Werner Roth.

Entitled I, Lucifer..., this story stars the X-Men — "Xavier's Finest" — as they battle powerful mutants, alien threats, and super-villains while protecting a world that fears and hates them.

It is regarded as a key X-Men comic due to the following significant event: 3rd appearance of the Blob.

Featured appearances include X-Men - Professor X (Charles Xavier), Cyclops (Scott Summers), Marvel Girl (Jean Grey), the Blob, and other characters from the X-Men universe.

A classic Silver Age X-Men comic, this issue showcases the birth of Marvel's mutant mythology, featuring iconic characters, memorable first appearances, and the imaginative storytelling that defined the early X-Men era.

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