필요하겠군

will need, must need

→ 필요하다
필요 need, necessity + 하 do; be + 겠 future tense + 군 Exclamatory ending expressing realization or mild surprise
adjective · future tense Rare #31,050
will need, must need A conversational, inferential form expressing that something will probably be needed.
KO: 내일은 우산이 필요하겠군.
EN: I guess we’ll need an umbrella tomorrow.
Forms of 필요하다

도움이 필요하겠군, 친절한 양반

Looks like you need some help, my good fellow.

— 러시아 방주 (2002)

그렇다면 붉은 먹이 필요하겠군

Then I suppose we'll need red bait.

— 영웅 (2002)