| Clue | Source | Date |
|---|---|---|
| Superhero that Barry Allen became after being struck by lightning (3,5) | ||
| Grant Gustin superhero series | ||
| Justice League member who’s super-speedy | New York Times | 08 Nov 2021 |
| Superhero with super speed | New York Times | 09 May 2018 |
| Superhero with super speed | ||
| Speedy superhero | ||
| Speedy superhero |