Who are the other three superheroes in Batman v Superman: Dawn of Justice?

The files even had there superhero logos:

_{Wonder Woman, Cyborg, Flash and Aquaman from left to right order.}

• Victor Stone/Cyborg (played by Ray Fisher): A boy whose partial remaining body got attached to a mother box to make him into cyborg.

  

  On the top right there is partial remaining body of Victor Stone and on the right bottom is the Mother Box which is responsible in his creation in the comics and in animated film.

• Arthur Curry/Aquaman (played by Jason Momoa): The man under the sea.

  

• Barry Allen/The Flash (played by Ezra Miller): Man in supermarket stopping the thief.

  

All three have been scheduled for their respective standalone films:

• Aquaman (2018)
• Cyborg (2020).
• and Flashpoint (TBD)

They will also appear in Justice League (2017) and Untitled Justice League sequel