Superman Action Comics TPB (2019)

"Leviathan is making its move on Metropolis, and they're looking to recruit Lex Luthor and his Legion of Doom to increase their power base! But will that be enough to take on Superman's city? Because the Man of Steel has friends of his own...and it's time to call on the Justice League and their teen counterparts, Young Justice, to take a stand against the forces of evil and stop Leviathan from reducing Metropolis to rubble! Don't miss this colossal story arc collected from Action Comics #1017-1021!"

"Superman continues to aim for peace in the galaxy, and the United Planets could be the perfect solution. But an old enemy is about to return to force Superman to fight with everything he has in order to protect it! It's the Man of Steel versus Mongul in this epic fight to save the United Planets and the peace it will ensure—and Superman is determined to win. If Superman fails, it means the fall of the United Planets. And old foes give way to new ones as Superman is confronted with deadly warriors from the realm of magic and the furthest reaches of the cosmos. Introducing Xanadoth and Synmar! Collects Superman #20-28."