Preheat air fryer to 390 for 5 minutes. Pour frozen asparagus into a bowl and drizzle with a few tbsp olive oil, toss to coat. Sprinkle with salt and pepper.
Pour into air fryer basket and lay in a single layer. Close and air fry for 6-8 minutes (depending on thickness of your pcs.). Shake basket after 3 minutes. Check for doneness at 6 minutes. If on the thicker side cook additional 1-2 minutes until tender with a little crisp on the outside.