This is AvX Wolverine.
Original Mugen 1.0 file:
http://www.infinitymugenteam.com/Forum_345/index.php?topic=41433
Stage also available if you want it there, it works in WinMugen.
Now for Wolverine himself.
Patch files for WinMugen:
http://www.mediafire.com/?8uxxafkw50up58n
Enjoy~