Originally Posted by Anno_Domini
Ra's simply being her father and knowing about the League of Shadows is enough for Talia to forget about any of their past falling outs to exact ''terrible vengeance'' on Bruce Wayne and Gotham City as a whole. Plus now, with Ra's being dead, she is able to have Bane be part of this new LoS as well.
For a series hellbent on realism the parental/child bond between Talia and Ra's wouldn't nearly be as strong given the age the characters first met. Talia's father figure would be Bane, therefore her desire for 'revenge' would be almost non-existent.