num_pages: 20
description: It’s Mongul versus Superman in the battle for the survival of the United Planets! The Man of Steel must confront Mongul in front of all the powers of the galaxy, or peace will never be achieved. During one of the most private moments in Superman’s existence comes one of his biggest challenges. If Superman fails, the whole of the United Planets falls!
language: English
title: Superman (2018-2020) #21
publisher: DC Comics