This one-shot was sold exclusively at Walmart stores. It is part of a larger partnership with DC Comics which was launched in July 2018. When this initiative began, the titles in this program were stocked in more than 3,000 participating stores across the United States.
These exclusive DC Comics are advertised to "arrive in stores by" a particular Sunday date. However, many stores have the issues on display and available for sale on the preceding Friday. It is these Friday dates that shall be used as the actual on sale dates.
Features a new Flash story, plus reprints from:
Superman (DC, 1987 series) #64
DCU Infinite Holiday Special (DC, 2007 series) #1
Harley Quinn Holiday Special (DC, 2015 series) #1
DC Rebirth Holiday Special (DC, 2017 series) #1
Batman Annual (DC, 2017 series) #1