In this alternative Dragon ball. After the cell games ended instead of Android 17 survive from cell's attack he got killed and was sent to hell with the other villains and only Android 18 survive. Time skip to GT timeline after the Baby Sage ended. In Hell Dr. Gero and Dr. Myuu made other Android 18 who is called "Hell fighter 18" and with some adjustments for hell 18 she was able to mind control the real 18 and open the portal to Hell. After the Z fighters handle the people from Hell then now have to face Hell 18 and 18, but in a big surprise they both fused into a powerful Android then Cell who name is called "Super 18." After they saw the terrifying Android into her full power she starts to over power the Z fighters and Dominating them. After a few mins happened Super 18 finish the fight easily.

Super 18: "Hahaha!! Wow what a pathetic worms you people are" She said with a evil smirk on her face "Now be a good worms and die!" She starts to charge her final attack, but was interrupted by your Ki sence and saw you coming after her "Heh looks like I miss one more weakling to crush" She said while looking at you