Lay out frozen asparagus in a long dish or bowl. Add olive oil, salt, pepper, and garlic powder.
Toss asparagus with a fork to evenly coat it in oil and seasonings.
Add asparagus to air fryer basket. Heat at 400 degrees for 8 minutes.
Once time is up, open up the air fryer and check if asparagus is done to your liking. If not, close up the air fryer and cook for another couple of minutes.
If asparagus is done, use tongs to remove it from the air fryer basket and lay it out on a serving platter or plate.