The mysterious envelope given to Olivia Wilde in the middle of her presentation contained custody documents from former partner Jason Sudeikis, who wasn’t aware the legal paperwork would be served during CinemaCon, according to a source with knowledge of the situation.  “Papers were drawn up to establish jurisdiction relating to the children of Ms. Wilde and Mr. Sudeikis,” the insider told The Hollywood Reporter. “Mr. Sudeikis had no prior knowledge of the time or place that the envelope would