This was inspired by the Avengers vs Xenos thread in the AVF

So Loki opens the portal but instead of the Chitaurin, an army of Predators emerge.

Scenario 1: Only the weaponry from the first Predator film is available.

Scenario 2: Any and all tech from the Predator film series can but utilized.

Can the Avengers hold the city of will they be overwhelmed?