Batman would win he is a much better fighter with many gadgets that would come in handy such as sonic batarangs.
If you want more opinions, I suggest you look at: Comicvine.com
Baraka
baraka easily
ermac will rip baraka to pieces
batman would.
Batman would beat Sonic.
batman
batman
Batman.
Batman would find a way to win.
Batman would find a way to win.
Batman would win because in Batman Arkham Origins, Batman defeated Deathstroke.
Batman would find a way to win.