Mercer

A former Cobra Viper who turned against the organization, Mercer defected to join the G.I. Joe team, lending his insider knowledge of Cobra's training and tactics to the fight against his former masters.

Stepping onto the scene in 1987's The G.I. Joe Order of Battle #2, Mercer is a Copper Age entry into one of comics' most beloved military universes, brought to life under the Devil's Due Publishing banner. Over a remarkable 35-year span stretching into 2022, this character has kept some seriously distinguished company — sharing pages with fan favorites like Snake-Eyes, Scarlett, and Dashiell R. Faireborn across titles including the crossover spectacle G.I. Joe vs. the Transformers. Mercer may not rack up the highest appearance count in the catalog, but that kind of enduring presence across three-and-a-half decades speaks to a character with real staying power in the G.I. Joe mythos. For collectors who love digging into the deeper roster of this franchise, Mercer is exactly the kind of discovery that makes the hunt worthwhile.