Fortune
Noob
I am trying to confirming with other characters but I think I may have found a back dash in Injustice. It is very minimal (like 3 frames) but when you dash if you tap back in the middle of the dash it opens up a few frames (i'm guessing about 3) for you to try to start a combo. I found this out with deathstroke but I would assume it works for all characters. I may be wrong but i tested it quite a few times now and I am pretty sure this is the case. I would hope other people can test this and post here so we can confirm it.