BATMAN ( 2016-2025 ) #121

The deadly conclusion to the 'Abyss' arc as Lex Luthor’s dangerous master plan for Batman Inc. is revealed. And an old ally returns to pull the lost Batman out of Abyss’s darkness and a new member of Batman Inc. rises! In the final chapter of 'They Make Great Pets,' Maps finds the missing piece to the shocking and deadly mystery...with a little help from Batman!