Newcomer Daniela Melchior Eyed For Ratcatcher Role in ‘Suicide Squad’ Sequel (EXCLUSIVE) https://t.co/r3EGcxSmsf— Variety (@Variety) April 30, 2019
Ant-Man's David Dastmalchian will be playing Polka-Dot Man, a Batman villain who is embarrassed of his ability to grow multi-colored polka dots on his body that he can turn into fireballs and other weapons. Newcomer Daniela Melchior will play Ratcatcher, a gender-swapped version of the Batman villain who can communicate with and control rats. She will have a connection to Idris Elba's character.
Source: Polka-Dot Man, Ratcatcher