Beginning in 1953, Marvel continued the original Two-Gun Kid series from issue #11, publishing it until cover date April 1977.

The Harder version of the character appeared sporadically through 1962, with Joe Sinnott being the last artist to draw the original Two-Gun Kid on a regular basis.

[7] Clay Harder has bright blond hair and wears an all-black suit with a placard shirt, a broad-brimmed black hat.

Matt Hawk wears a similar outfit to Clay's, only with an orange-and-black spotted vest, a slightly narrower-brimmed hat, two revolvers on a single gun belt, and a black mask covering the top half of his face.

After being trained in combat by the gunfighter Ben Dancer, the character assumes the dual identities of Matt Hawk and the Two-Gun Kid.

He was forced to stage his own death in order to free a man accused of murder, which got him embroiled in an international conspiracy for a hidden treasure.

[7] The later miniseries Blaze of Glory (2000) depicts the Kid as retired from gunplay, going by the name of Clay Harder and working as a full-time lawyer.

During the company-crossover story arc Civil War (2006–2007), Liebowicz becomes a bounty hunter and works alongside She-Hulk, helping her to apprehend supervillains.

[16] In the epilogue to the final issue, Hawk—now referred to as Matt Hawkins—is seen in the present day as a young man, accompanying Steve Rogers (Captain America) to the home of Halloway's grandson, Jason, to once again bequeath the mask and guns, as well as Halloway's journal, in the hopes that Jason will follow in his grandfather's footsteps.