Wong is a Master of the Mystic Arts within Kamar-Taj.
Real Name: Wong
Portrayed by: Benedict Wong
1. Doctor Strange
When their former librarian was murdered by Kaecilius and the Zealots, Wong then became the highly protective keeper of all the ancient books when he met Doctor Strange, and assisted him in his studies.
As Kaecilius attempted to use his power to bring Dormammu to Earth, Wong and the other Masters used their power to eventually defeat him, at the cost of Ancient One's death. With the Kaecilius' conflict over, Wong then joined Doctor Strange in protecting the New York Sanctum.
2. Avengers: Infinity War
Wong stood with Strange and Iron Man when the Black Order had attacked the Earth in search of the Time Stone, holding them back until Wong was forced to remain behind to protect the Sanctum once Ebony Maw had managed to kidnap Strange.
3. Avengers: Endgame
Wong survived the Snap and five years later, he teleported many of the revived Avengers and their allies to New York in a massive battle against a past version of Thanos, who had decided to destroy the universe with the Infinity Stones and create a new one in his image.
The coalition opposing Thanos succeeded as Thanos and his army crumbled to dust, and Wong attended Tony Stark's funeral with Doctor Strange and the rest of their allies.