Crossword Genius

Mark in Jersey possibly missing new film (1-5)

Ross

I believe the answer is:

b-movie

I'm a little stuck... Click here to teach me more about this clue!

'film' is the definition.
(I've seen this before)

I don't understand the remainder of the clue.

Can you help me to learn more?

I've seen this clue in The Independent.
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