Justice League: Every Character Confirmed So Far

2. Darkseid

Confirmed By: Batman v Superman, essentially.

Plot Prediction:

We know that Darkseid is coming, or he wouldn't have been teased at all in Batman v Superman. He's the escalated threat who the second Justice League will most likely be built around, and even if his on-screen role is limited to a Thanos-like post-credits stinger reveal, he'll be involved.

He's also going to be a presence all the way through the film, directing Steppenwolf on his mission to retrieve the Mother Boxes from Apokolips without bothering to travel himself. And he'll probably wait to show himself only after his uncle/slave defies him.

According to one rumour, Darkseid will appear, but won't necessarily say anything, but the truth in that remains to be seen.