Batman: The Brave and the Bold (2008)

S2E23 Darkseid Descending!

As the looming menace of an invasion from Apokolips draws near, Batman, Aquaman, and Martian Manhunter unite to create a new Justice League. Faced with the formidable power of Darkseid, the trio must rally together to prepare for the impending conflict and protect Earth from devastation. With their unique skills and unwavering determination, they aim to stand against the darkness threatening to engulf their world.