He eventually met and fell in love with a woman named Maggie Grace, which led to the birth of a son, Matt.
[7][8][9][10][11][12][13] When Matt saw his father in the pupil of his eye roughing up someone for money to give to the Fixer, he fled from the scene in shock and got into a car accident, when he saved an old blind man from getting hit by a truck carrying radioactive chemicals.
Heartbroken by what he put his son through, Jack vowed to never work for the Fixer again and helped Matt adjust to his blindness, unaware of his powers.
Matt soon entered college and law school, studying to become a lawyer, while Jack continued to be a boxer.
Knowing he couldn't disappoint his son, Jack rebelled against the Fixer's orders and won the fight with all his might in Matt's honor.
[20][21] In retaliation, Sweeney had Slade and the rest of his men ambush and kill Jack as he left the gym.
Thereafter, Matt Murdock put his powers and training to use as the crime-fighter Daredevil and brought his father's killers to justice.
At one point an amnesiac Matt began calling himself "Jack Murdock" when he couldn't remember his own name, although he eventually recalled his own true identity.
From Daredevil Noir April, 2009 a man named Orville Halloran was hired to kill Jack Murdock for not agreeing to throw a fight in the ring when he was told to.
Tony Stark, employer of the truck driver, put the unconscious Matt into his car that transformed into a plane and took off into the air boarding the newly completed S.H.I.E.L.D.
agents soon came to the rescue and began their attack on the Hydra base by gassing the room, while Matt handed his father a gas mask and they both made it to safety while being picked up by S.H.I.E.L.D.
agent, Jack didn't have to sign up with the Fixer to support him, but also reminded Matt about the promise he made to his mother about becoming someone important in life.