Sam Rosen credit per Nick Caputo. 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) credit Danny Crespi.
Artwork altered from the original version in X-Men #9, which had Marvel Girl wearing her original costume. In the reprint, her mask is redrawn and her belt, originally yellow, is re-colored red, so that she is now wearing the new costume she acquired in this issue's reprinted story from X-Men #27.