Watch The Scorpion King 4: Quest for Power (2015) HD Full Movie Free on SolarMovie. Watch The Scorpion King 4: Quest for Power (2015) online free. When he is betrayed by a trusted friend, Mathayus (Victor Webster) must marshal all his strength and...When he is betrayed by a trusted friend, Mathayus (Victor Webster) must marshal all his strength and cunning to outwit a formidable opponent who will stop at nothing to unlock a supreme ancient power.