When Doctor Strange hit theaters ... He will protect the Sanctums, and he starts by taking down Kaecilius. Strange secretly reads from the book that Kaecilius stole pages from.

The character was first introduced to the MCU in Doctor Strange (2016), where he served as the unseen mastermind behind ...

after losing the ability to use his hands after a car accident, seeks the help of The Ancient One to become a Master of the Mystic Arts known as Doctor Strange.