In a ninja foodi or instant pot pressure cooker, add oil.
When oil is hot sauté onion for about 2-3 minutes until soften then add garlic and cook for an additional minute.
Add smoked turkey wing pieces and chicken broth. Cover and pressure on high for 30 minutes. Release the steam using the quick release pressure.
Add collards greens which has been stripped from the stem and cut into 1 inch strips. Add red pepper flakes and apple cider vinegar. Place the lid on the pot and pressure cook for 15 minutes.
Remove smoked turkey from the pot and shred using 2 forks, then place back into the pot. Release the steam then cook open for an additional 10 minutes until the liquid reduces.