#31

Reprinted from

• Tales to Astonish #49— First part of the story reprinted
• The X-Men #18— First half of story reprinted
• The Cat #1— First half of story reprinted

Credits

Script

Stan Lee, Linda Fite

Pencils

Keith Pollard, Aubrey Bradford, Jack Kirby, Marie Severin, Werner Roth

Inks

Mike Esposito, John Tartaglione, Don Heck, Wally Wood, Dick Ayers

Letters

Irv Watanabe, Sam Rosen, John Costanza, Artie Simek

Co-plotter

Roy Thomas

Original editor

Roy Thomas