It seems like these will be Justice League themed sets compared to the usual Batman themed sets. Just from the set names alone, there could be Gorilla Grod, Black Manta & Darkseid minifigures. Until the official announcement, please treat this news as a rumor.
LEGO DC Super Heroes 2015 Sets
Green Lantern vs. Sinestro (76025)
Gorilla Grodd Goes Bananas (76026)
Black Manta Deep Sea Strike (76027)
Darkseid Invasion (76028)
Brainiac Attack (76029)