On-screen speedster counterpart mirroring the voice role's agility and heroism.
They function as the film's primary rescue partnership.
Batman and The Flash construct the Cosmic Treadmill and travel through time together to rescue their teammates.
They support the present-day and time-travel rescue operations.
Cyborg remains in the present while The Flash travels through time with Batman to rescue the displaced heroes.
The Flash enables Wonder Woman's recovery by sustaining the time machine.
The Flash powers the Cosmic Treadmill while Batman goes to rescue Wonder Woman from the Stone Age.
His time-travel partnership supports Superman's rescue mission.
The Flash travels with Batman to the future as part of the effort to rescue Superman.