Echo, whose real name is Maya Lopez, is the daughter of former Tracksuit Mafia commander William Lopez. Her first appearance in the Marvel Cinematic Universe is in 2021's Hawkeye, starring Clint Barton and Kate Bishop. However, she isn't one of the good guys when fans first see her. Having been raised by Wilson Fisk (Kingpin), Echo is on a quest to find her father's killer, and her taste for vengeance is just beginning. The unique thing about Echo and the actress who plays her, Alaqua Cox, is they are deaf. She is the first deaf hero to star in her MCU TV show!
Source：https://www.cbr.com/mcu-echo-phase-five-best-hero/
