Four nations live together in harmony, until the Fire Nation attacks Earth Kingdom village. Only the Avatar who can master all four elements can bring peace to the world and restore the balance between the four nations.
Spider-Man's strength and powers are tested when he is forced to save the world after Manhattan gets threatened by a deadly cross-species virus and robots created by Oscorp mastermind Alistaire Smythe.
With his back against the wall, Batman turns to his closest allies to help him save Gotham City from the clutches of Scarecrow and the Arkham Knight's army. A familiar face also returns to give The Dark Knight a message he cannot ignore.