Just saw a promo for this during the Packers/Falcons game and, seeing it was X-Men related looked some more into it.
If (and it is a big if, I know) they can find a balance between showing the mental health issues in a non-demonising light, whilst also not being super-preachy, this could be interesting.
But I also have a bad feeling it is gonna go for "I'm so crazy look at me, look at me.... aww, now I am sad and brooding!" rather than anything actually clever.
Prove me wrong, FX, prove me wrong.