This issue has variants.
Alterations on Mimic's wings and hands by Marie Severin, Per Nick Caputo, June 2012. Original indexer listed Jack Kirby as layout artist.
Sources for letters credit are The Marvel Comics Index (Olshevsky 1981), The Official Marvel Index to the X-Men (Olshevsky 1987), The Official Marvel Index to the X-Men (Ward 1994), and Official Index to the Marvel Universe (Vandal et al. 2009).