Meanwhile, TV can takes things slower. By nature the series would be episodic, even if it all culminates in a larger story arc, meaning that there’s plenty of screen-time to develop a universe. The Flash would almost certainly be part of both teams, but otherwise the membership could fluctuate as it does in the comics; the line-up could change over time, be entirely different from the get-go, or just not even develop into an official ‘Justice League’ at all, instead bearing a different name or j...