Matthew Chauncey

Writer, Producer

Matthew Chauncey is an American screenwriter and producer best known for his work within the Marvel universe. Born in New Jersey, he attended Northwestern University, where he earned a Bachelor of Science degree in journalism, economics, and legal studies. Early in his career, he held editorial roles at publications such as New York and Junior Scholastic before transitioning to the entertainment industry.

Chauncey’s entry into television came when he was an assistant on ABC’s Agent Carter (2015-2016). From this position, he rose through the ranks and became a writer for several Marvel projects. He served as a consulting producer on Ms. Marvel (2022) and Eyes of Wakanda (2025), and serves as showrunner for What If...? Season 3 (2024) and X-Men ’97 Season 3. His writing credits also include work on the animated series 3Below and Trollhunters, and he wrote additional literary material for Marvel Studios feature films, Thor: Love and Thunder (2022) and The Fantastic Four (2025).

In 2022, Chauncey expanded into audio content by creating and executive-producing Self Center.

Known For

  • What If…?
    What If…?3 seasons
  • X-Men '97
    X-Men '971 season
  • 3Below: Tales of Arcadia
    3Below: Tales of Arcadia2 seasons

Filmography

2025
Eyes of Wakanda · as Consulting Producer
2024
X-Men '97 · as Executive Producer
2022
Ms. Marvel · as Consulting Producer

2022
Ms. Marvel · as Teleplay
2021
What If…? · as Co-Executive Producer
2018
3Below: Tales of Arcadia · as Staff Writer