Topics similar to or like prequel

Radio program, television program, video game, film, or any narrative work, derived from already existing works that focus on more details and different aspects from the original work (e.g. particular topics, characters or events). One of the earliest spin-offs of the modern media era, if not the first, happened in 1941 when the supporting character Throckmorton P. Gildersleeve from the old time radio comedy show Fibber McGee and Molly became the star of his own program The Great Gildersleeve (1941–1957). Wikipedia

Work of literature, film, theatre, television, music or video game that continues the story of, or expands upon, some earlier work. Earlier work, usually chronologically following the events of that work. Wikipedia

Anthology is a collection of literary works chosen by the compiler; it may be a collection of plays, poems, short stories, songs or excerpts by different authors. In genre fiction, the term "anthology" typically categorizes collections of shorter works, such as short stories and short novels, by different authors, each featuring unrelated casts of characters and settings, and usually collected into a single volume for publication. Wikipedia

Introduction to a book or other literary work written by the work's author. Foreword and precedes an author's preface. Wikipedia

Product or fictional work which is similar to, or directly inspired by, another previous work, but does not explicitly continue the product line or media franchise of its predecessor, and is thus only a successor "in spirit". Spiritual successors often have similar themes and styles to their source material, but are generally a distinct intellectual property. Wikipedia

Blockbuster film whose release itself is considered a major event. It could be a highly anticipated sequel or a big budget film with state-of-the-art special effects or major stars generating considerable attention. Wikipedia