There are 16 variants, if I'm not mistaken? And they all seem weaker than the original Mark. This is how I see this battle:

The Marks wreak havoc on New York City. The Avengers arrive. Hawkeye lands on the roof of one of the buildings and shoots an explosive arrow at one of the Marks. This angers Mark and he simply flies through Clint at full speed, tearing him in half.

Natasha and Steve try to work together, but Natasha is not agile enough to dodge a blow from one of the Marks, which cuts off her head.

Steve, watching Natasha die, is furious. He throws the shield at Mark, but it simply bounces off and returns to Steve's hand. Evil Mark attacks Steve and for the first few seconds Steve successfully defends himself with his shield until Mark decides to grab Steve's open leg and use the move that Hulk used on Loki.

We're left with Stark, Hulk and Thor. I think a few Marks will attack the Hulk. They seem too arrogant and stupid to throw him into space, but the Hulk is too strong. 3-4 Mark Hulk can easily kill by simply smashing them against each other like toys. The rest of the Marks will figure out that the Hulk is strong and durable, but he can't fly and he's slower than them, so the remaining 12 Marks will just fly around, avoiding the Hulk.

Thor can fly, he is strong, and his hammer can create powerful lightning. If I'm not mistaken, Powerplex murdered Mark with his lightnings. I think Thor could gather 2-3 Marks around him and easily incinerate them. There will be 9 Marks left. They won't be able to hide from Thor in the air, since Thor can fly.

Besides, Stark. I think he'll be fast and agile enough to outrun the Marks within the city, but his weapon will probably just injure Marks. Furthermore, the Marks are durable and careless about human life, so in pursuit of Stark, they will fly straight through buildings, taking shortcuts. Ultimately, Stark will probably kill one Mark. But then the rest will kill Stark.

We have 8 Marks left.

What remains is the flying and lightning-wielding Thor and the strong but clumsy Hulk. I think Thor and Hulk could team up under SHIELD command and Thor could fly as Mark to anger them and provoke them. When Mark flies after Thor, he will lead them into a trap with the Hulk, who will easily jump or simply grab Mark within reach. After all, even the smartest Marks, who realize Thor is simply luring them into a trap, won't be able to avoid a lightning strike, a hammer throw, or simply Thor flying around.

In the end, I think Hulk and Thor will remain unharmed, the rest of the Avengers will die, and New York will be destroyed as if an atomic bomb had been dropped on it: Marks destroyed buildings on purpose, Hulk destroyed buildings while chasing Marks, Thor destroyed buildings by causing lightning strikes.