iqdb.org to the rescue. Source by harabacho. Bonus: it's not so damned desaturated, and shows the nipple to boot.
Re-upload because I forgot to add flair and I missed Flairbots messages.. I was... uhhh.. distracted?
Edit: Oh and I dont have a source. CtrlQ, Tineye, and Google images returned no results
I don't know what series that is, but here are the series' characters of characters from the series that the characters in the title are in (that sentence is how confusing your title was to me):
Batman: Bane, Barbara Gordon, Batman, Batwoman, Candy, Cassandra Cain, Catwoman, Classic Harley Quinn, Clayface, Copperhead, Dee Dees Beyond, Duela Dent, Harley Quinn, Harley Quinn, Inque, Livewire, Magpie, Nightwing, Oracle, Poison Ivy, Stephanie Brown, Talia Al Ghul,
League of Legends: Ahri, Akali, Anivia, Ashe, Caitlyn, Camille, Cassiopeia, Diana, Elise, Evelynn, Fiora, illaoi, Irelia, Janna, Jinx, Kalista, Karma, Katarina, Kayle, Kindred, Leblanc, Leona, Lissandra, LoL Party, Lux, Miss Fortune, Morgana, Nami, Nidalee, Nocturne, Orianna, Quinn, Rek'sai, Rengar, Riven, Sejuani, Shyvana, Sivir, Sona, Soraka, Syndra, Vayne, Veigar, Vel'Koz, Vi , Zyra
I am rule34, bot linker of porn. Send me your compliments that I may bask in them, and your complaints to iateacrayon. What is this?
shows the nipple
Jeez OP, why do we even keep you around?
You're the man!
Sorry, somebody posted in my friends' 'Research' chat and I couldnt find anything about it