Disclaimer: Inspired by a chat with Anxing Xia Xiaqin and one of her articles.
Warning: Contains all kinds of spoilers and complaints about TDKR, please proceed with caution.
It's very, very OOC, and this is essentially an Inception story, so please don't mistake Bruce in it for Batman.
Overview: Bruce is just a rich second generation, but Bane is a Bat fan, and so is Blake (and it seems he is also a Catwoman fan), so the two of them broke out. Only Talia is here to join in the fun.
Conception: