Uncanny X-Men (1963) #20

Published May 1, 1966

cover artist Dick Ayers

It's mutant mania when the Blob and Unus tag-team the X-Men! Featuring the origin of Professor X!

Stories

penciler Werner Roth

writer Roy Thomas

letterer Art Simek

cover artist Dick Ayers

Uncanny X-Men (1963) #1

Sep 1963

Uncanny X-Men (1963) #2

Nov 1963

Uncanny X-Men (1963) #3

Jan 1964

Uncanny X-Men (1963) #4

Mar 1964

Uncanny X-Men (1963) #5

May 1964

Uncanny X-Men (1963) #6

Jul 1964