Complex sentence: Madame Web apologizes to Mattie for getting her involved in this, but Mattie is still unconscious, but it is shown in later pages that Mattie has been active in New York City.
Split into simpler sentences: Madame Web apologizes to Mattie for getting her involved in this, but Mattie is still unconscious. It is shown in later pages that Mattie has been active in New York City.