Get the Prometheus 3D Blu-ray, DVD and digital copy combo at Amazon for just $12.99–74% off! This beats the sale price of $19.96 at Walmart. Shipping is free with Amazon Prime or a $35 qualifying purchase.

Prometheus Blu-ray 3D/ Blu-ray/ DVD/ Digital Copy Combo (reg $49.99) $12.99
Free shipping with Amazon Prime
Final Price: $12.99