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50 Best New Marvel Cinematic Universe Characters In 2021

List RulesVote up the new additions that added the most to the landscape of the MCU over the course of 2021.

2021 was a big year for Marvel Studios with four feature films hitting theaters and streaming services, as well as five new series for Disney+. The massive expansion of the Marvel Cinematic Universe also meant the introduction of many new characters across all the platforms. From bright new heroes like Shang-Chi and Kate Bishop to potential big bads and adorable sidekicks, here is a look at a few new characters introduced to the MCU in 2021. Vote up the characters with the most staying power. 

  • Black Widow (July 9, 2021)

    Black Widow (Yelena Belova) is a fictional character, a spy in the Marvel Comics Universe and second modern-era character to use the name Black Widow. She first appears in Inhumans #5 and was created  ...more
  • Hawkeye (November 24, 2021)

    Hawkeye is a fictional character. She is a member of the Young Avengers, a team of superheroes in the Marvel Comics' shared universe, the Marvel Universe. She is the third character and first female  ...more
  • Shang-Chi and the Legend of the Ten Rings (September 3, 2021)

    Shang-Chi is a Marvel Comics character, often called the "Master of Kung Fu". He was created by writer Steve Englehart and artist Jim Starlin. He has no special superpowers, but he exhibits  ...more
  • 4

    Mobius M. Mobius

    114
    30

    Loki (May 15, 2020)

  • WandaVision (January 15, 2021)

    Agatha Harkness is a fictional character, a powerful witch in the Marvel Comics universe. Supposedly, she was one of the original witches from the Salem Witch Trials in Salem, Massachusetts. She  ...more
  • 6

    Lucky (AKA Pizza Dog)

    77
    23

    Hawkeye (November 24, 2021)

  • Shang-Chi and the Legend of the Ten Rings (September 3, 2021)

    The Mandarin is a fictional supervillain appearing in American comic books published by Marvel Comics. He is the archenemy of Iron Man. The character was created by Stan Lee and designed by Don Heck,  ...more
  • 8

    Classic Loki

    64
    21

    Loki (May 15, 2020)

  • 9

    Alligator Loki

    70
    24

    Loki (May 15, 2020)

  • 10

    Sylvie Laufeydottir (The Variant)

    101
    39

    Loki (May 15, 2020)

  • 11

    Morris

    54
    21

    Shang-Chi and the Legend of the Ten Rings (September 3, 2021)

  • 12

    He Who Remains 

    57
    23

    Loki (May 15, 2020)

  • Black Widow (July 9, 2021)

    The Red Guardian is the name of several comic book superheroes in the Marvel Comics universe. The Red Guardian is an identity that was created as the Soviet equivalent of Captain America; since the  ...more
  • 14

    Xu Xialing

    60
    29

    Shang-Chi and the Legend of the Ten Rings (September 3, 2021)

  • Eternals (November 5, 2021)

    Makkari, formerly known as Hurricane and Mercury, is a member of the Eternals, a fictional race of superhumans in the Marvel Comics universe. He was created by writer-artist Jack Kirby in the  ...more
  • 16

    Thena

    43
    21

    Eternals (November 5, 2021)

    Thena is a fictional character appearing in the Marvel Comics universe. She is a member of the Eternals.  ...more
  • 17

    Monica Rambeau

    63
    33

    WandaVision (January 15, 2021)

    Monica Rambeau is a fictional character, a comic book superheroine in the Marvel Comics universe. Initially known as Captain Marvel, the character became a leader of the Avengers. She later used the  ...more
  • Hawkeye (November 24, 2021)

    Echo, also known as Ronin, is a fictional character, a Marvel Comics superheroine and a supporting character of Daredevil. She makes her first appearance in Daredevil Vol. 2, #9, and was created by  ...more
  • 19

    Ying Nan

    41
    23

    Shang-Chi and the Legend of the Ten Rings (September 3, 2021)

  • 20

    Jack Duquesne (Swordsman)

    40
    23

    Hawkeye (November 24, 2021)

  • The Falcon and the Winter Soldier (March 19, 2021)

    Isaiah Bradley is a fictional character in the Marvel Comics universe, an early product of the United States' Super-Soldier program during World War II and an alternate version of Captain America.  ...more
  • 22

    Gilgamesh

    29
    17

    Eternals (November 5, 2021)

  • 34
    21

    Eternals (November 5, 2021)

    Sersi is a fictional character, a Marvel Comics superheroine and an Eternal.  ...more
  • 24

    Katy Chen

    71
    47

    Shang-Chi and the Legend of the Ten Rings (September 3, 2021)

  • 25

    Dane Whitman

    37
    24

    Eternals (November 5, 2021)