Batman teams up with Superman and Wonder Woman when their arch-enemies The Joker, Lex Luthor and Cheetah team up to defeat them by adopting a strategy of attacking a different hero: “Wonder Woman” vs “Joker”, “Superman” vs “Cheetah”, and “Batman” vs “Luthor”.
Batman: The Brave and the Bold Season 3 Episode 7 “Sword of the Atom!”
Batman calls in reinforcements when the Atom goes missing.
Batman: The Brave and the Bold Season 3 Episode 6 “Time Out for Vengeance!”
The Justice League travel in time to aid Batman against his foes



