The Death of Superman

In DC's mad rush to get the lion's share of their animated films under one umbrella, ore more accurately, into a single timeline, there was always going to be at least a slight re-duplication of efforts. But seeing as this is almost **exactly** the same as the already released _Superman: Doomsday_ movie, I wonder, did _The Death of Superman_ really need to happen? Or if it did, could it have maybe...