The following year, Gordon began freelance inking for Marvel Comics, working with pencilers Bob Budiansky and Steve Leialoha, respectively, on a backup story each in Captain America #220-221 (April–May 1978).

[4] In 1982, Gordon left Marvel for DC Comics to ink writer-penciler-co-creator Scott Shaw and fill-in penciler Stan Goldberg on the series Captain Carrot and His Amazing Zoo Crew.

[4] Freelancing once again for DC, Gordon in 1987 began inking Kevin Maguire while working with plotter/thumbnail artist Keith Giffen on Justice League International.

The WildStar: Sky Zero miniseries was written, inked, edited (with the help of Billy "Bud" Shakespeare) and produced by Gordon with pencils by Jerry Ordway.

[4] Other late 1980s and 1990s work includes issues of Marvel's Sensational She-Hulk and Silver Surfer and a run over penciler Erik Larsen on The Amazing Spider-Man; DC's Valor and Timber Wolf (the latter of which he also wrote and thumbnailed); Hero Comics' Champions; Awesome Entertainment's "Supreme" series and Judgment Day Alpha both written by Alan Moore; Tom Strong written by Alan Moore for DC's imprint America's Best Comics; Image Comics' Freak Force and others.