User blog comment:StickFigure01/Heroes and other supporting characters that should've made an appearance in Arrowverse and Supergirlverse/@comment-27418036-20180105015630/@comment-27700324-20180105202727

It would be complicated to introduce the entire light spectrum and the always changing Bat Family without them having shows of their own in the form of a Green Lantern show and a Batman show. One of which is too expensive and the other is prevented by DC due to it being their biggest cash cow.