In which issue did this fictional superhero in the DC Comics Universe, who was killed by Captain Cold, make his first full appearance?
Captain Cold Captain Cold (Leonard Snart) is a fictional supervillain appearing in American comic books published by DC Comics. Captain Cold is the leader of the Rogues, a loose criminal association, as well as the older brother of Golden Glider. He also has served as a bitter enemy to the Silver Age Flash Barry Allen, both enemy and grudging friend to the third Flash Wally West, and one of the killers of the fourth Flash Bart Allen.
Black Panther (comics) The Black Panther (T'Challa) is a fictional superhero appearing in American comic books published by Marvel Comics. Created by writer-editor Stan Lee and penciller and co-plotter Jack Kirby, he first appeared in "Fantastic Four" #52 (July 1966).