There will be no shortage of insiders spinning tales about whose power struggle led to whose firing at Warner Bros. That’s what happens during a post-merger bloodbath. But with James Gunn and Peter Safran suddenly out, it’s hard to imagine things not getting even messier for the DCU from here on out. It’s reportedly in “reboot mode,” and even David Corenswet’s Superman could be on the chopping block.

“I’m told plans are already afoot to dismantle much of what Gunn and Safran had plotted out beyond next summer’s Gunn-directed Man of Tomorrow , the currently shooting The Batman: Part 2 , and an in-the-works HBO series,” Puck ‘s Matthew Belloni wrote earlier today . “So DC Goes back into reboot mode…again.”

There have been some rumors swirling about Man of Tomorrow doing poorly with test audiences and Warner Bros. being in panic mode about how much money it could lose.…