Divorced Protestant

I am a Catholic woman who is eligible to marry within the Catholic Church. My intended is a divorced Protestant who had entered into a civil marriage. Does he need to get this first marriage annulled by the Catholic Church in order to marry me in the Church? Also, the day the Justice of the Peace was to perform the civil ceremony, he was unavailable, so a pastor performed the civil, NOT religious, ceremony. Will that cause problems in proving that it was a civil marriage and not a sacrament?