There is a third John Giang version to Fantastic Four, Vol. 7 #31. There is a trade and then two virgins, with slightly different color schemes (the missing one has a darker color scheme).
For the existing 31G, the barcode is 75960620289803116.
For the existing 31H, the barcode is 75960620289803117.
And now for the missing virgin, barcode 75960620289803118.
The two virgins side by side for comparison:
