When the DC Animated Universe reset reality via its own Flashpoint, fans were intrigued about what could take its place. This was the Tomorrowverse, which began with 2020's Superman: Man of Tomorrow. It wasn't just a new story, though, but a distinctly fresh art style. The heroes, which included Superman, Wonder Woman, Green Arrow and the Flash, eventually formed the Justice League, which has now led to Justice League: Warworld.
Source：https://www.cbr.com/justice-league-warworld-ending-explained/
