Simplify the following text for a Grade 6 native English-speaking person.
Original: From 1993 â `` 1996 , Dark Horse published a line of superhero comics under the Comics Greatest World imprint , which was later re-named Dark Horse Heroes .
Simplified: From 1993-1996 , Dark Horse published a line of superhero comics under the name Comics Greatest World . This was later re-named Dark Horse Heroes .