You can help by adding to it. Since Stan Lee wanted The Fantastic Four to be driven by the familial interactions between the teammates rather than by action, the primary impetus for Susan Storm's creation was to be the female lead with Reed Richards a. Mister Fantastic being the male lead , but he was also determined that she be a full member of the team. It also noted that she could not turn visible again, and would wear a mask recreating her face when she wanted to be seen. Susan could turn invisible and visible at will, and doing so affected the visibility of whatever clothing she was wearing. Invisible Woman has primarily appeared in issues of Fantastic Four.