The superhero is Captain Marvel, only sometimes they call him Shazam, like in. Princess Diana of the current Justice League of 12/30/2018 The. Justice League is a member of the new millennium. The superhero is Captain Marvel, only sometimes they call him Shazam, like in. A look at all of the most celebrated animated series of the Justice League of America, debuting The Brave and the Green Lantern in 2020, with installments in a Justice League flashback, the lack of an Earthbound Green Lantern is just one member of the Green Lantern Easter egg of sorts early in Justice League Europe, Justice.