Nightwing has become one of DC Comics’ most popular characters, but fans might be surprised to learn that his Marvel Comics equivalent is none other than Moon Knight. This was made official with the Amalgam Comics mash-up character Moonwing, who made his debut in Bruce Wayne: Agent of S.H.I.E.L.D. #1.

Amalgam Comics was a cross-publisher initiative that spun out of the mega-crossover DC vs. Marvel. The story saw both universes combine in an attempt to prevent themselves from being destroyed, which resulted in a new universe made up of “amalgamated” combinations of Marvel and DC characters. Batman and Wolverine merged to become Dark Claw, Captain America and Superman combined into Super-Soldier, Doctor Fate and Doctor Strange became Doctor Strangefate — and those are only a few examples. A total of twenty-four one-shots were released in 1996 and 1997, with half the issues being produced by Marvel and...