Complex sentence: The series was short-lived due to poor sales, and the setting the fictious Aniverse must not be confused with the universe of Bucky O'Hare in Continuity Comics, that was also named the Aniverse.
Split into simpler sentences: The series was short-lived due to poor sales. The setting of the fictitious Aniverse should not be confused with the universe of Bucky O'Hare in Continuity Comics, that was also named the Aniverse.