Will Be Continued Meaning?

DEFINITIONS1. used for saying that a story will begin again at a later date, starting from the point where it stopped. Synonyms and related words. Expressions used when telling stories. it all began.

Will continue or will be continued?

Both are correct.. You can't give preference without having the complete context. The latter is far more common and idiomatic; the trend should continue.

Will be continued is correct?

The piece you are refering to "it will be continued" is a correct construction. It's a future passive (you will find many interesting explanations about it on the Internet.)