This is a Sam Flynn edit of Nightwing.
I made this only because my TRON Stages had no TRON Characters to go with it.
My TRON Stages can be found here:
http://mugenmultiverse.fanbb.net/f43-stages
You will need to download Nightwing from Scruffydragon here:
http://www.scruffydragon.com/
Here is how the Edit looks:
And here's the download (Edited files only) :
http://www.mediafire.com/?9gmkd63rdc14cxa
NOTE:
If you want to have the display name as "Sam Flynn", you will have to edit that in the DEF file.
Enjoy~