Bottle comes in plainer version (5)

I believe the answer is:

nerve

'bottle' is the definition.
(both can mean courage)

'in plainer version' is the wordplay.
'in' indicates a hidden word.
'NERVE' can be found hidden inside 'plainer version'.

'comes' acts as a link.

(Other definitions for nerve that I've seen before include "Valour, pluck" , "displaying self-possession" , "Impudence; courage" , "Sensation transmitter" , "Grit" .)

I've seen this clue in The Times.

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