| Characters |
Bart Allen [Impulse](appears in costume only in flashback); Max Mercury; Dr. Ether; Dr. Helen Claiborne; Matt Ringer; Preston Lindsay; Dox; Flash [Barry Allen](flashback); Carol Bucklen (flashback); Superboy [Kon-El](cameo flashback); Wonder Girl [Cassie Sandsmark](cameo flashback); Cissie King (cameo flashback) |
| Synopsis |
Max battles his old enemy Dr. Ether, who has been Jokerized like many other DC villains. |
| Genre |
superhero |
| Script |
Todd Dezago |
| Pencils |
Aluir Amancio |
| Inks |
Walden Wong |
| Colors |
Digital Chameleon (Separations), Tom McCraw |
| Letters |
Janice Chiang |