INJUSTICE Walk Mode

Later, Superman visits Batman in the Batcave to make peace, but they get into an argument over their ideological views, and Batman rejects Superman. While trying to stop Superman from relocating Arkham Asylum inmates to a more secure facility, Batman and Nightwing are shocked to discover that Robin has joined Superman. Harley, who has escaped from Green Arrow and has decided to become a hero, releases the inmates, forcing Batman and Superman to temporarily put their differences aside to fight them. During the battle, Robin and Nightwing get into an argument ending with Robin accidentally killing Nightwing. Catwoman, after learning about what happened from Superman, comforts Batman, while Nightwing meets Rama Kushna in the afterlife, who transforms him into "Deadwing".