Did the undertaker make his first appearance in wcw?

the undertaker debuted in wwe but mark callaway who plays the undertaker debuted in wccw as the master of pain in wcw he was known as mark callous as part of the tag team the skyscrapers with dan spivey

The answer is no because he made his offical Wrestling debut with the WWF in 1991 as a mystery partner fo ted debiese so yeah his a true WWF/WWE superstar he actually worked his popularity up in the WWF like the rock etc.