| Issue | #20 |
| Published | April 1998 |
| Cover Price | 1.95 |
| Pages | 36 |
| Editing | Mike McAvennie; Maureen McTigue (assists) |
| Characters | Supergirl; Superman Red; Superman Blue; Cerne |
| Genre | superhero |
| Pencils | Ron Frenz; Leonard Kirk |
| Inks | Jose Marzan Jr |
| Colors | Patrick Martin |
| Characters | Cassandra; Cerne (Millennium Giant); Supergirl (Linda Danvers); Jonathan Kent; Fred Danvers; Comet; Superman Red |
| Synopsis | While the reincarnation of Cassandra watches, Cerne approaches an island to destroy it. Supergirl is worried about Sylvia Danvers and almost helps the giant. |
| Genre | superhero |
| Script | Peter David |
| Pencils | Leonard Kirk |
| Inks | Cam Smith |
| Colors | Gene D'Angelo; Digital Chameleon (Separators) |
| Letters | Pat Prentice |
| Notes | Tie-in to the Millenium Giants cross-over. |
| Genre | Superhero |
| Script | Maureen McTigue |
| Notes | Letters about Supergirl #15. Writers are Roge Fastfinder, Adam Lawson, Steven Leitman, Tony Ingram, Andy E Nystrom, and Scott McClenny. |