Wis. Stat. § 968.06: Indictment by grand jury.

Upon indictment by a grand jury a complaint shall be issued, as provided by s. 968.02, upon the person named in the indictment and the person shall be entitled to a preliminary hearing under s. 970.03, and all proceedings thereafter shall be the same as if the person had been initially charged under s. 968.02 and had not been indicted by a grand jury.