"Enemy helicopters" refers to helicopters that belong to an opposing or hostile group, typically used in warfare against a particular entity or country. Full definition
And then there's something about technoblades and a kid who is known as the Golden Child and then... suddenly there's a giant mechanical dragon trying to kill you, but it's cool because you eventually find yourself in a spaceship blowing up enemy helicopters as you race through the city. (thevitalounge.net)
Swarms of enemy helicopters, jet fighters, and tanks come into view on the horizon and shoot balls of firey death at you, and you need to avoid their shots while gunning them down with your own. (nintendoworldreport.com)
From racing down a highway to shooting down enemy helicopters to swimming through eel - infested tunnels, Lego Movie stays fresh and keeps you entertained. (gamesradar.com)