As you all know Marvel is going to have a Dardevil, Luke Cage, Jessica Jones, and Iron Fist Netflix series. All of these shows will eventually lead up to the defenders series. I am going to do a brief history on each character and then you chose which one you are most excited about.
Matt Murdock grows up in Hells Kitchen, New York City. One day he is blinded by chemicals but what he has lost in sight he has gained in his other senses. He fights crime in hells kitchen and protects the neighborhood. He goes up against the likes of Kingpin and Bullseye.
Powers- All senses but sight sight are enhanced
Luke Cage lived in Harlem, New York City. He was part of a gang called the rivals with his friend. When Luke gets older he decides to find a better employment while his friend, Stryker, stays in the gang. When Stryker is dying because of a hit placed on him, Luke saves him. After Luke saves him, Strykers girlfriend breaks up with him because of the dangerous work he does. Stryker blames this on Luke and plants cocaine in his apartment which gets him arrested. Luke is sent to Seagate prison were he is experimented on and he gains superhuman strength. He uses it to escape prison and go back to New York City were he fights crime.
Powers- superhumanly strong, can lift over 25 tons, skin is super tough, etc.
When Jessica was very young, she and her family got in a car accident. Radioactive chemicals spilt on her and she was put in a coma. When she woke up she had to be put in an orphanage because her parents died in the crash. The Jones family adopted her and she went to the same high school as Peter Parker. Around the same time Jessica started to realize that she had powers. When she grew up she joined the police force and fought crime.
Powers- superhuman strength, amount of strength never revealed
When Danny Rand and his parents went on a trip to visit the sacred city of K'un Lun, both of Danny's parent died. When he reached the city he saved K'un Lun's ruler. The ruler decided to adopt him and make him the heir to the throne. After slaying Shou-Lao the Undying, Danny gained the power of the Iron Fist.
Powers- through concentration, Rand can harness his chi and augment his physical and mental abilities to peak human levels. If he focuses his chi into his hand he can gain the power of Shou-Lao the Undying and make his hand super powerful.