The Dark Knight Legacy (2013)

A fan film imagining the world after Batman's "death" saving Gotham from Bane's fusion bomb. Years later, the symbol of Batman is under attack by a new figure using the name to wage a relentless, lethal assault on the criminals of Gotham. It falls to John "Robin" Blake and a young GCPD officer named Stephanie Brown to step up and take back the mantle from the murderous vigilante.