- Year: 2018
- Country: USA
- Director: Ethan Spaulding
- Creator: James Krieg, Jeremy Adams, Jerry Siegel, Joe Shuster, Paul Norris, Gardner Fox, Bob Kane, Bill Finger, Marv Wolfman, George Pérez, Gerry Conway, Al Milgrom, Don Newton, Jack Cole, William Moulton Marston, Murphy Anderson
- Actors: James Arnold Taylor, Kate Micucci,...
- Running time: 1h 18min
Atom visits the Hall of justice where it meets Batman, the Superman, their pets a German shepherd the Ace and a superdog Crypto and also with the Cyborg. The Wonderful female, Plastikmen and the Fiery Storm join them and they invite Atom to enter League of Justice.
Suddenly the alarm signal arrives and Lois Lane reports that the Joker attacked the Metropolis. It strikes citizens with ridiculous gas and goes to the building of Daily Planet to change it. The batman sends an alarm signal to the Flash and the League of justice goes to the Metropolis.