The Endbringers (Worm) vs the Justice League

Round 1:Behemoth, Leviathen and the Simurgh attack Gotham. Target is the Batcave and Arkham Asylum. Can they destroy it and the rest of the city and survive?

Round 2: Same as round 1, except now all 6 attack gotham and the Simurgh has given Levi his nanotech upgrades.

Round 3: After Gotham, Metropolis is attacked. Now that both sides know their opponents, who wins?

Edit: Simurgh will be jobbing. Otherwise its an instawin thanks to Batman's tech.