Legion of Super-Heroes #44 (1988) (Mid Grade)

The Legion of Super-Heroes investigate the disappearance of Wildfire and Quislet, but Brainiac 5 is able to deduce that they have left to Quislet's native dimension. While there, Wildfire learns the origin of Quislet and how he was the first astronaut to be sent to the normal universe. Meanwhile, Atmos applies to be the newest member of the Legion of Super-Heroes, to take Star Boy's place. Dream Girl finds herself attracted to Atmos but has the feeling that pursuing it would be a mistake.