https://www.indiegogo.com/projects/gemini-crusader-the-atomic-conductor/coming_soon/x/20574388

Murdermek, a death droid weapon, is sent back to Metropolis during Superman’s time and OMAC, the one man army corps, travels back to that time to help Superman in “The Once and Future War.” Script by Len Wein and art by George Perez & Pablo Marcos & Rick Hoberg.