Carol Danvers is a fictional character .
She has been labeled `` Marvel 's biggest female hero `` , a `` feminist icon `` , as `` quite possibly Marvel 's mightiest Avenger `` , She was ranked twenty-ninth in Comics Buyer 's Guides `` 100 Sexiest Women in Comics `` list , and was ranked # 11 on IGN 's `` Top 50 Avengers `` .