The Busty Bomber was just a nerdy college student known as Mary McBundun, a chemistry major obsessed with explosions, until she was recruited to continue her dangerous experiments at the top-secret Area 69! There, she discovered that her annoying neighbor Bethany Bruste was in fact the super powered Mighty Mom! Jealous of Mighty Mom's powers Mary rebranded herself as the supervillain The Busty Bomber and has dedicated her life to blowing up her longtime rival! Unfortunately, the Busty Bomber's schemes often end up thwarted by Mighty Mom and Super Son, and occasionally even her own pride and joy, the devious Kid Pervert!