Tags: Comics Character.
Matrix is a fictional character and a superheroine best known as the 1988–2002 Supergirl published by DC Comics. She was created by John Byrne as part of his Superman revamp. She first appeared (as Supergirl) in Superman (second series) #16 (April 1988).In 2006 another character calling herself Matrix was created by Geoff Johns Grant Morrison Greg Rucka Mark Waid and Dale Eaglesham and first appeared in 52.