Volume 1, #19. "Showdown!"
Marvel Comics. March, 1988.
Writer(s): Chris Claremont
Artist(s): John Byrne, Terry Austin, Kieron Dwyer, Petra Scotese
Notes:
Reprint of Uncanny X-Men #113
Backup story "I, Magneto" by Chris Claremont, John Bolton, Nel Yomtov
Cover Art: Arthur Adams, Terry Austin
Back Cover Art: John Bolton