Calista ruby Rosenberg is a young shield agent with many talents. Joined shields academy for the young and gifted when she was 12 and meet Alex willhoff her best friend. What will happen when 2 SHIELD agents become a part of the task force? Is she going to get along with everyone? Will her family secret be revealed? !!It is not going to fallow the plot of the Call of Duty game!! ***warnings***: blood, gore,language, sexual language ,nightmares,war. -I also English is not my first language!! (COD X OC ) (COD X agents of shield ) (CODX marvel)