I feel like Rusev needs the win more.
I personally never saw Bray Wyatt as someone that needed to be concerned with Belts and shyt. For me,he's just like...a weird/eccentric dude that can be funny to adults and maybe scary to kids.
Also, I remember reading that Bray like...had a lot of control over his character. Writing promos, picking theme songs, etc. That alone shows me that he will be able to adapt better than a guy like Rusev.
What Bray needs is his god damn family back.
Rusev on the other hand.....losing here pretty much kills the "fear" he has. He'll be just another guy buried by Cena.