It sounds like you're looking for a review of the 2007 animated movie Doctor Strange: The Sorcerer Supreme
Strange sighed. "A dark dimension, Wong. One even I hope never to visit again." If you'd like to explore more "meta" stories, let me know: Should Strange fight a next? doctor strange the sorcerer supreme filmyzilla
The film follows Dr. Stephen Vincent Strange, a brilliant but arrogant neurosurgeon whose hands are shattered in a horrific car accident. Desperate and destitute, he travels to Kamar-Taj in the Himalayas, seeking a cure from the mysterious Ancient One. Instead of healing his hands, the Ancient One teaches Strange about the mystical arts, astral projection, and dimensional threats. Strange must confront his own ego to defeat the sorcerer Dormammu and his disciple, Baron Mordo. It sounds like you're looking for a review