By the age of 18, Marvel Comics was already offering Haberlin a job as a penciller, which he refused because "the pay was terrible, you had to move to New York and they wouldn't promise consistent work.

Haberlin eventually gave up his job at Warner Brothers in order to pursue a career in comics, particularly as many independent publishers were establishing themselves in the West Coast, meaning he could remain in California.

[8] The Witchblade franchise has since expanded to include multiple spin-offs, a live action television series, an anime, and an upcoming film adaptation.

Haberlin became Editor in Chief for Todd McFarlane Productions in 2006, and penciled and inked its flagship title, Spawn, for two years during David Hine's run as writer.

[12] The book, co-written with Hollywood lawyer Skip Brittenham, utilizes augmented reality technology and interacts with iPad, iPhone, and Android mobile devices.