Simplify the following text for a Grade 5 native English-speaking person.
Original: Dominguez conceived El Gato Negro sometime in the mid-to-late '80s and originally planned to debut the character in a largely Mexican-American superhero group called Team Tejas . Having placed more emphasis on El Gato Negro 's character development than the other members , Dominguez abandoned the Team Tejas project for a later date , as he later recalled :
Simplified: Dominguez first got the idea for El Gato Negro in the late '80s .