Michael Shannon, who played General Zod in Man of Steel, was initially hesitant to return as the villain in The Flash until Zack Snyder gave his blessing.
DCU - The Direct on X: Michael Shannon says that Zack Snyder gave
DC Fans Kerala - Michael Shannon's General Zod is going to be even
The Flash's Michael Shannon Got Zack Snyder's Blessing to Return
Zod (DC Extended Universe) - Wikipedia
Like Somebody Playing With Action Figures: Michael Shannon Calls General Zod Role In The Flash Unsatisfying
Michael Shannon asked for Zack Snyder's blessing before The Flash
The Flash star Michael Shannon received Zack Snyder's blessing
Michael Shannon Asked Zack Snyder For His Blessing Before
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