Superman's David Corenswet's Only Advice for Supergirl's Milly Alcock? Prepare for Harness Bruises! // TRAIN BRAIN

Superman's David Corenswet's Only Advice for Supergirl's Milly Alcock? Prepare for Harness Bruises!

'Superman' stars David Corenswet and Nicholas Hoult chat with ET's Emily Curl at the premiere of 'Supergirl,' before it hits theaters on June 26. David reveals the very practical advice he gave Millie Alcock as she prepared to take on the role of Kara Zor-El, and Nicholas explains why he considers returning as Lex Luthor for 2027's 'Man of Tomorrow' to be 'a dream come true.'
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