Supergirl and the Legion of Super-Heroes #24

Supergirl and the Legion of Super-Heroes — DC Comics

Issue: #24

The team struggles against a Legion of super-powered villains that may be connected to the mysteries surrounding Supergirl. Plus, the return of a Legionnaire you never thought you'd see again. And just who is Tarik the Mute?The Legion meet Mon-El, a denizen of the Phantom Zone.

First appearances: Thoom, Grav

Creators: Mark Waid, Stephen Wacker, Mike Marts, Harvey Richards, Travis Lanham, Jeanine Schaefer, Barry Kitson, Mick Gray, Nathan Eyring

Characters: Supergirl, Thom Kallor, Brainiac 5, Cosmic Boy, Lightning Lad, Timber Wolf, Element Lad, Saturn Girl, Duplicate Girl, Phantom Girl, Polar Boy, Lightning Lass, Thoom, Grav, Dream Boy, Sensor Girl, Mon-El, Jeyra Entinn, Inferno