Clearly, the ladder indicates that they have decided to forego the Avengers film altogether and instead stage a production of Our Town.

Personally, my first exposure to the character came from his appearance on the Super Powers cartoon, where he was a member of the Justice League. If one can argue for John Stewart because of his inclusion in the cartoon, couldn't the same argument be made for Cyborg?

He helped write the Batman ‘66 Green Hornet’66 crossover and of all of the Batman ‘66 comic books, the dialogue in that one comes off as the most authentic.