Prep-Man
So, part of the new lineup and hints have been spread on the internet. Here is Justice League Dark:
Madame Xanadu
http://media.comicvine.com/uploads/3/38741/2180039-jld_05_16_large.jpg
Deadman
http://media.comicvine.com/uploads/6/64507/1900763-deadman_large.jpg
Constantine
http://media.comicvine.com/uploads/7/71700/2211877-hb261_cover_large.jpg
Black Orchid
http://media.comicvine.com/uploads/10/107294/2199509-orchid_large.jpg
Xombi
http://media.comicvine.com/uploads/8/82238/1992892-xombi6cover_large.jpg
Andrew Bennett (I Vampire)
http://media.comicvine.com/uploads/3/31566/2199326-ivamp_cv9_nmbvcxz2134560987jjjjj_large.jpg
Zatanna
http://media.comicvine.com/uploads/1/13820/2182238-imagen_1_large.png
vs
http://media.comicvine.com/uploads/0/9241/479690-green_lantern_corps_01_page_01_large.jpg
Madame Xanadu
http://media.comicvine.com/uploads/3/38741/2180039-jld_05_16_large.jpg
Deadman
http://media.comicvine.com/uploads/6/64507/1900763-deadman_large.jpg
Constantine
http://media.comicvine.com/uploads/7/71700/2211877-hb261_cover_large.jpg
Black Orchid
http://media.comicvine.com/uploads/10/107294/2199509-orchid_large.jpg
Xombi
http://media.comicvine.com/uploads/8/82238/1992892-xombi6cover_large.jpg
Andrew Bennett (I Vampire)
http://media.comicvine.com/uploads/3/31566/2199326-ivamp_cv9_nmbvcxz2134560987jjjjj_large.jpg
Zatanna
http://media.comicvine.com/uploads/1/13820/2182238-imagen_1_large.png
vs
http://media.comicvine.com/uploads/0/9241/479690-green_lantern_corps_01_page_01_large.jpg