The Invasion

[This is an early work- it will have problems by the many. Thanks.]
Batman and Spider-Man- two of the world's greatest heroes. They were regarded as heroes, watchful guardians, protectors of humanity, and they were all Earth had. So when an army of Parademons descend from the sky, Gotham's dark guardian and New York's wall crawling protector must join forces if Earth stands a chance of surviving...