It will be the same Matt Murdock, just as it was the same Wilson Fisk in Hawkeye. Vincent D'Nofrio conformed it's the same character, just trying to regain his power after being blipped for five years. So Matt/Daredevil will be the same one from the Netflix show, but just toned down as they can't have that on Disney+. His suit is rumored to be different though, specifically the Yellow and Black one. It makes since, with Bullseye having taken it and tarnishing the name, but I hope it's only temporary and that they go back to the Red one. Sounds like he's going to be showing up in at least two Disney+ series this year, and will be a main character in Echo.