<Li> Superhuman strength, stamina, speed, and durability </Li> <P> Mera (/ ˈmɪrə /) is a fictional character appearing in American comic books published by DC Comics . Developed by Jack Miller and Nick Cardy, the character first appeared in Aquaman #11 (September 1963) as a queen of the sea . </P> <P> Within the DC Extended Universe, American actress Amber Heard portrays Mera first in the live - action film Justice League, directed by Zack Snyder, and will reprise the role in Aquaman, directed by James Wan . </P> <P> Mera's Silver Age debut in Aquaman #11 set her place of origin as the mysterious "Dimension Aqua". However, during the Brightest Day crossover, Dimension Aqua was revealed to be the extradimensional penal colony known formally as Xebel, a place of exile for an ancient faction of Atlantean people, banished along with their descendants after one of the many civil wars of the submerged Atlantis . </P>

Who is the atlantis girl in justice league