Marinette didn't resent her family. she knew that she would never be a priority. She was the only Kent sibling with no power. Well... As far as they knew anyway. She was just tired of never fitting in. She was well trained. Bruce had trained her, but her father would not allow her to be a hero. She gave up... one day, she left a note on her pillow simply saying 'I'm leaving'. with the help of Damien, she created a new identity. The only Kryptonian she still contacted was her Aunt Kara. But someone with a family of heroes can't escape heroism for long. However, her hurt caused her to avoid help. When an emotional terrorist has your city captive, it can be a bit of a problem.