Lucas first came to prominence in Argentina with his work on El Cazador de Aventuras, the highest-selling comic book in that country for several years. The series starred a character similar to DC Comics’ Lobo and featured artwork heavily influenced by Simon Bisley’s art style. On the title Lucas worked with Ariel Olivetti, Mauro Cascioli and Claudio Ramírez.
In the United States he is best known for his work for Marvel Comics on titles such as Inhumans, Mystique, Iron Man and The Incredible Hulk. He painted the arts of The Darkness: Shadows and Flame, which was written from Rob Levin.