This story is reprinted from 'The Amazing Spider-Man’ #17 October 1964, although it now only has 21 pages (not counting the front cover) as opposed to the original 22.
This story is a reprint from 'Journey Into Mystery'#93 June 1963, although it now only has twelve pages as opposed to the original thirteen, and whereas the action was originally set in 'Red China,' this has become 'KHITAN.'