James Gunn and Peter Safran are no longer leading DC Studios. The exact reason for their departure is not specified in the provided evidence. The article from WHIO TV simply states that they are out as DC Studios leads, without providing further details. It is unclear what their replacements will be or what the future holds for DC Studios under new leadership. The article does not mention any specific reasons for their departure or any potential successors. The evidence only confirms that James Gunn and Peter Safran are no longer in their positions at DC Studios. The article does not provide any additional information about the future of DC Studios or the reasons behind this change.