User blog comment:B214/High School DxD EX/@comment-3965848-20160209211224/@comment-26345952-20160209225138

Nope. What the anime did is done, and most probably will aknowledge what they did. However the Ex side story is nothing but that; though they did mention a timeline like BorN, their main objective is to protect (or maintain) the original time line. Nothing will fix what the anime did.

unless season gets greenlighted and surpases season2 (or at least be better than BorN) I see nothing.