Career
Merino himself raised from the Línea Laberinto of Planeta-DeAgostini Spanish publisher, where he drew three mini-series: Aníbal Gris (1996), Jaque Mate (1997) and Triada Vértice (1998). In 1998 he began to work with Pacheco, inking his layouts on titles such as Avengers Forever, Superman/Batman and Green Lantern. Merino"s work on District of Columbia included art for many issues of 3 and a Superman/Batman story.
In September 2011, District of Columbia is launching a new Superman series written by George Pérez with art by Pérez and Merino.