Superman: Back in Action #[nn]

In "Back In Action Part 2: Action & Reaction," Superman finds himself trapped aboard a mysterious space vessel with a host of other metahumans, including Nightwing, Firestorm, Livewire, and Aquaman, after the Auctioneer shifts his scheme from stealing houses of worship to capturing every powered individual on Earth. With Mr. Terrific tracking the disappearances and the team divided on how to proceed, Superman must make a desperate leap into a volatile power core—just as the others race to find a way to disable the damping field that’s locking them in.

In "Back In Action Part 3 All-Out Action," Superman faces his greatest test yet when he plunges into the heart of a high-tech trading ship’s power core, trusting his allies to disable the damping field in just seven seconds. With the fate of Earth hanging in the balance, the heroes battle chaos as Livewire unleashes a wave of metahumans, forcing Superman to turn the tide through a bold gamble—threatening to expose the Auctioneer’s entire database unless he surrenders control. As the dust settles and the world watches, Superman reemerges over Metropolis, his return met with thunderous acclaim, but the arrival of a mysterious ship from beyond the stars hints that the real battle has only just begun.

In "The Ice Slaves of Killer Frost!", Superman finds himself caught in a frozen trap when Killer Frost escapes from S.T.A.R. Labs, unleashing her chilling powers across the city. With Firestorm re-forming to counter the icy threat, the two heroes must work together—while Professor Knudson and Martin Stein race to contain the chaos. As the battle escalates, Superman extends an unexpected invitation to Firestorm, setting the stage for a new alliance.