Carlo had worked in books like JLA Jr., Superman, Impulse, Batman Orphans, JLU, Outsiders, Blue Bettle, Flash, Batman Brave and the Bold and Green Lanterns for the DCU.

At Marvel, New Mutants, a mini-series called Ororo: Before the Storm, some pages for an X-Force annual and an Age of X short story in issue one, Spiderman books, Scarlet Spider, Thunderbolts, Amazing X-Men, Amazing Spiderman ,Guardians of Infinity, New Avengers and the all-around fan favorite Deadpool for over his 20 year career.