Bad guy: You're all alone now.
Woman: No. The police officer, he'll come/get/be back. He's just getting backup.
1) Which of 'come', 'get' and 'be' could be used here?
2) Is it okay to write 'He's just getting backup'?
Thanks.
Bad guy: You're all alone now. Woman: No. The police officer, he'll come / get / be back.
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Bad guy: You're all alone now.
Woman: No. The police officer, he'll come /get/ be back.
He's just getting calling for backup.
2) Is it okay to write 'He's just getting backup'? Yes, but calling for backup is a pretty standard phrase.
Thanks.