Uncanny X-Men (1963) #21

Published June 1, 1966

In the desert dwells Dominus! The X-Men must defeat an enemy they don't dare attack, but Lucifer's robots aren't returning the favor!

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