Cosmic rays altered Susan Storm on a cellular level, granting her the ability to generate impenetrable force fields and to make herself fade from sight in an instant. Despite her frequent lack of visibility, it has always been perfectly clear that Sue is the force holding her family — the Fantastic Four — together.

After the Timestream Entanglement, the Invisible Woman has taken full advantage of her powers, using stealth to explore locations too dangerous for her fellow heroes, especially going on rescue missions for civilians trapped by the creatures of the night.