Marz is well known for his work on Silver Surfer and Green Lantern , as well as the Marvel vs DC crossover and Batman/Aliens . He also worked on the CrossGen Comics series Scion , Mystic , Sojourn , and The Path . At Dark Horse Comics he created Samurai: Heaven and Earth and various Star Wars comics. He has also done work for Devil's Due Publishing's Aftermath line, namely Blade of Kumori . In 1995, he had a brief run on XO-Manowar , for Valiant Comics.

Marz's more recent works includes a number of Top Cow books including Witchblade and a Cyberforce relaunch. For DC Comics, he has written Ion , a 12 part comic book miniseries that followed the Kyle Rayner character after the One Year Later event, and Tales of the Sinistro Corps Presents: Parallax and Tales of the Sinestro Corps Presents: Ion , two one-shot tie-ins to the Green Lantern crossover, The Sinestro Corps War .