A zombie virus has laid waste to most of human civilization. Various heroes run around. Mr Terrific has a T-Mask? Constantine runs from zombies. A dick named Waverider won't let them fix the timeline via timetravel. Constantine time travels . The inevitable result is chaos. Massive irreparable damage has been done. This was okay.
“What God unleashed on Earth.”
“I don't think the undead knock that politely.”
“I have part of an ear in my tights.”
“Are you okay?”
“Peachy. Just set me best mate on fire and crashed his car while sitting on his ashes.”