Man of Steel 2 Has a Chance to Correct the Original's Biggest Weakness

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In Man of Steel, if Superman was able to defy the World Engine's intense gravity, why was he seemingly in pain while holding up a lighter oil rig? - Quora

Why does Superman seem relatively weak in Man of Steel (2013)? - Quora

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James Gunn Says “Superman Is A Huge Priority” & Reveals Where He Stands With Henry Cavill – Deadline

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In the Justice League movie, Superman seems to be very strong, stronger than he was on the Man of Steel. What is the cause because he was dead and his cells were

Man of Steel 2', 'Wonder Woman 3', And Other DC Projects Reportedly In Development - Hollywood Insider