[1][2] The event is set in the aftermath of the "Dark Nights: Death Metal" storyline, and takes place in a "possible future" of the DC Universe.

However, following the firing of publisher Dan DiDio from DC Entertainment in February[5][6] and the effects of the COVID-19 pandemic on the comics industry, the series was delayed.

[7] As well, DC Comics publisher and chief creative officer Jim Lee stated that the 5G initiative, which would have occurred at the end of the original plan for Generations was no longer happening: "We had a lot of great ideas that we were floating around.

[9] In October, Snyder has also assured the ending of Dark Nights: Death Metal will be tied directly to the event.

That was built while we were doing Death Metal to lead into some stuff which isn’t happening anymore, but those plans have taken a new shape, which is exciting.