RulingRules Reference 1.7
If She-Hulk attacks an enemy that cannot be stunned because it is already stunned or is stalwart, does Superhuman…
Question
If She-Hulk attacks an enemy that cannot be stunned because it is already stunned or is stalwart, does Superhuman Strength’s Forced Interrupt resolve?
Answer
No. Because the effect of Superhuman Strength’s Forced Interrupt cannot affect the attacked enemy, the effect cannot resolve and Superhuman Strength is not discarded.
— Rules Reference 1.7