The sci-fi legend and Concrete creator are working together on the original graphic novel 7 Against Chaos, reports blastr.
"In a distant future, Earth is in grave danger: The fabric of reality itself in unravelling, leading to catastrophic natural disasters, displaced souls appearing from bygone eras, and sudden, shocking cases of spontaneous combustion," said DC.
"The only hope for Earth's survival is a force of seven warriors, each with his or her special abilities. But can these alien Seven Samurai learn to get along in time to find the source of the gathering chaos and save all of reality?"
Dangerous Visions editor Ellison previously worked on the comics project Phoenix Without Ashes at IDW Publishing.
Chadwick's Concrete was recently revived by Dark Horse Comics.
The first chapter of 7 Against Chaos will debut in mid-2013.