1)"Recently, the movie Kung Fu Panda 3 has been a box-office hit in Korea. That news reminded me of the first movie of the series." - This doesn't sound very natural at all to me.
2)"Recently, the movie Kung Fu Panda 3 has been a box-office hit in Korea. Hearing this news, I was reminded of the first movie of the series." - This is a bit better than the first one, although I would amend it slightly to "....Hearing this news reminded me of the first movie of the series."