Team Flash will likely need some time to recover from Barry’s inevitable return from the Speed Force and the possible introduction of the new big bad.
A fun villain could give viewers some recovery time from storylines that are undoubtedly going to be pretty heavy in the first couple episodes of Season 4.
Considering that she’ll appear in the third episode, my money is on hijinks rather than harrowing crises.
Hazard’s skills of psychic manipulation make her a formidable foe whenever she appears in the comics, although she has often shown an unwillingness to kill her enemies.