| Answer | Crossword Clue |
|---|---|
| SON | Sequel title starter |
| SONOF | Sequel title starter |
| SON | Sequel title starter, sometimes |
| SONOF | Sequel starter, sometimes |
| PARTII | Sequel title ender |
| PARTII | Sequel title words |
| SON | Sequel title start |
| RETURN | Word in a sequel title |
| TWO | Word in a sequel title |
| SONOF | Start of a sequel title |
| TWO | Word in a sequel title, often |
| ULTRON | Title supervillain in the 2015 sequel to "The Avengers" |
| OHGOD | 1977 comedy film whose sequel appended "Book II" to the title |
