Superpower:
Flying back flips on the field to get the disc ANYWHERE
If Jennie ruled the world:
Her secret base would be underneath the buildings of Rome and her minions would be intelligent normal people who she has swayed to her cause through logic and disapproval of the current system. Or oompa loompas.
If she couldn't conquer Earth, she would conquer:
Jupiter, because size matters
If she had to present her evil-overlord announcements through poetry:
She would use cinquain, because haikus are a little too short