Mel Gibson and a controversial archbishop chopped it up during a visit to the set of "The Resurrection of the Christ" ... but there's no consulting going on, TMZ has learned. Here's the deal ... a Friday report stated excommunicated Archbishop Carlo Maria Viganò is a consultant on Mel's follow-up to his blockbuster "The Passion of the Christ." It was a shocking development to some, given that Viganò was booted by the Vatican in 2024 for refusing to recognize Pope Francis ’ authority. A source