"The Infinitus Saga begins as the Legion of Super-Heroes arrive with the shocking news that the 31st century has been destroyed! Now it's up to the Justice League United to save the future! Complicating matters is the fact that Multi is a young innocent in the current time period, forcing the Justice League United to stand in the Legion's way!"--Provided by publisher.
General Note: "Originally published in single magazine form in Justice League United 6-10, Justice League United annual 1, Justice League: future's end 1, Justice League United: future's end 1"--Title page verso."Supergirl based on characters created by Jerry Siegel & Joe Shuster; by special arrangement with the Jerry Siegel family."