Supergirl (Supergirl Vol. 7 #27)

Caught in the middle of a Vega System civil war, a powerless Supergirl struggles to rescue as many slaves as she can from the brutal hands of the Citadel. Meanwhile, the Omega Men reel from the discovery that their long-dead colleagues - Nimbus, Harpis and Demonia - are mysteriously still alive! Kara, however, suspects there’s more to their grand return than meets the eye...