Christian Bale may return as his version of the Dark Knight in The Flash movie, but only if Christopher Nolan approves it. The Scarlet Speedster’s first ever solo cinematic outing is one of the most highly anticipated upcoming DC films as it promises to blow the multiverse wide open. We already know that both Michael Keaton AND Ben Affleck are back as the Batman of two worlds in the movie. And it looks like more Caped Crusaders could be joining them. We Got This Covered has heard from our sources – the same ones who previously told us that Affleck would return a month before it was announced – that Warner Bros. has reached out to Bale to see if he would be interested in appearing in The Flash. From what we’re hearing, the British star is actually up for it. However, he has one big condition – he’ll only sign on if Nolan, the director of the Dark Knight trilogy, approves the plan. Bale has always been loyal to Nolan, with the actor ruling himself out of more appeara...