Else-world: Arkham Knight

What if instead of Jason Todd being tortured it was Barbara Gordon who was the second Robin. She was the same age as Dick Grayson. All she wanted was Bruce and Dick's love after her parents died but it was always so hard. When a militia invades Gotham and is led by a mysterious leader wanted the death of Batman, Nightwing, and the new Robin a.k.a. Jason Todd. Who will prevail and will the Arkham Knight be able to take over Gotham or will Batman find out who this person is. Read to find out.
Is Mature for violence