Bane's biggest advantage is the present meta, imo. His counters aren't common enough to really hinder him placing or taking 1st: teleporters are the only characters that ignore his momentum, Zatanna being the best of them and simultaneously one of the least used in the game. Aside from teleporters, Cyborg (another under represented character) and Superman, who gives him grief? The list is short enough that I think, with just a little bracketology luck, he can take any major tournament basically...
It's why he's hard to tier, the competitive ecosystem molded by the present top tiers enable him to skip past his bad match-ups in a tourney setting... an analogy would be, let's say SSFAE2012 Akuma had a 3-7 versus Hakan... would that even matter?