A letter to Warner Bros. Discovery shareholders on Thursday said that 'Superman' director Gunn is working on 'Supergirl: Woman of Tomorrow,' 'Clayface', and the next 'Wonder Woman'.

The writer and director of this summer's event film and the co-head of DC Studios is planning to write and direct the next installment in the Super-Family, David Zaslav, head of parent company Warner Bros. Discovery, said on the call.

Part 2" is set to start production in the spring and James Gunn is writing the next installment in the Super family.