It's not going to be a walk in the park for Mel B. Jackie will put up a decent fight, but eventually she will have to submit to the better woman.
The way I see it, Mel B., face to face to her opponent, wraps her powerful legs around Jackie's waist, trapping both her arms, and then pulls her face into her ample bosom. A brutal combination of breast smother and rib crushing scissors puts Jackie to sleep.