Maybe she's always battling in a boobs and butt pose but we can't see because she's invisible
darkjudicator submitted:
"Even the Invisible Woman is reduced to the parts dudes want to ogle
Poor Sue Richards. She definitely deserves better than being depicted facing in the wrong direction entirely as the other Fantastic Three charge towards battle, just so Marvel Strike Force could contrive a boobs-n-butt pose."
She's stuck in invisible quicksand and trying her best okay
(Loading screen for Marvel Strike Force, FoxNext)