Superman defeats Ultraman and saves Metropolis from the emerging black hole. Superman and Krypto watch Earth in the mid-credit scene. They look forward to protecting Earth rather than rule it. In the end, Superman throws Ultraman into the black hole. However, it was never made clear whether he survived or not.

Ultraman plays a significant role in James Gunn's new Superman movie. Here's our spoilery breakdown of who he is and how he factors into the story.