Agent 21

 is an American action-thriller comic book series, being published by since April 18th, 2016.

Synopsis
Set in a world where the government created cybernetic soldiers as a teenager with no memory of her past is transformed into an agent assigned to protect the world from dangerous threats.

Main

 * Cathy/Agent 21 - a mysterious amnesiac teenager who is now a government assassin with cybernetic implants.

Supporting

 * Perkins - the head of the project that turned Cathy into Agent 21 as TBD.
 * John Christensen - a teenager who was friends with Cathy before she lost her memory as he helps her with trying to regain her memories even if it is TBD.