Carol Danvers worked for S.W.O.R.D. constantly monitoring for alien threats, unaware an alien, Captain Marvel of the Kree, was living right under her nose. When an explosion occurred Captain Marvel shed his disguise to save his human friends and the resultant energy leaked into Carol granting her Kree powers. Now she fights as Miss Marvel and puts her powers to good use protecting Earth. She is a member of the Justice League and close ally of Green Lantern.