Was there a second period of slaying the sons of the Israelites?

A pretty humorous piece has been written by a biased missionary[1] claiming that the Qur’an differs with the Bible regarding the details of Pharaoh’s killing of the sons of Israelites and hence, the Qur’an is contradictory.[2] If the Qur’an differs from the Bible, which is correct? There could be three possibilities; 1) the Qur’an is…