u/CaffeAdicional

((S1))

1-Future Flash

2-Young Reverse Flash

3-Reverse Flash

4-Flash

((S2))

1-Black Flash

2-Post Rebirth Flash

3-Stolen Speed Zoom

4-Early days Thawne

((S3))

1-Black Flash/Savitar (Probably Black Flash)

2-Savitar/Black Flash (Probably Black Flash)

3-Future Flash/Young Thawne (Probably Future Flash)

4-Young Thawne/Future Flash (Probably Future Flash)

((S4))

1-Flash

2-Reverse Flash

3-Kid Flash

4-Jesse Quick

((S5))

1-Reverse Flash

2-Flash

3-Kid Flash

4-XS

((S6))

1-Flash/Dark Flash

2-Dark Flash/Flash

3-Kid Flash

4-Drone Godspeed

((S7))

1-Organic speed Godspeed

2-Flash

3-Reverse Flash

4-XS

((S8))

1-Regular/All Forces Flash

2-Regular/Negative Thawne

3-XS

4-Impulse

((S9))

1-Flash

2-Cobalt Blue

3-Reverse Flash

4-Godspeed

((S9 is the most difficult to rank, IMO)

1-Titans
2-Mr. Hammer and Mr. Sickle

3-Origins Martial Artists

I know that it wouldn't make sense for any Titans or Mr. Hammer and Mr. Sickle to appear in Arkham Knight, BUT THEY'RE SO COOL THAT I WANTED TO SEE THEM!