Action Comics #379

In "The Eliminator!", the Legion of Super-Heroes faces a chilling mystery when their computer flags one of their own as an impostor. With tensions rising and Sunburst posing a real threat, the team must uncover the truth before trust collapses—before the real enemy is revealed. Written by E. Nelson Bridwell and illustrated by Win Mortimer, with inks by Murphy Anderson and letters by Milt Snapinn, the cover by Curt Swan and Neal Adams captures the suspense perfectly.