Probably not. According to Facebook's website, it states that Federal law prohibits Facebook from disclosing user content (such as messages, timeline posts, photos, etc.) in response to a civil subpoena. Facebook cites the Stored Communications Act, 18 U.S.C. § 2701 et seq., as legal authority that prohibits Facebook from disclosing the contents of an account to any non-governmental entity, which includes your spouse or spouse's attorney, pursuant to a subpoena or court order. Please keep in mind that different laws apply if the subpoena is related to a criminal matter.