Published July 10, 1969
penciler Neal Adams
cover artist Tom Palmer
writer Roy Thomas
First appearance of Havok
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
