Giovanni comes with three face plates (standard expression, shadowed expression, realistic expression).
He also comes with a Team Rocket and Team Rainbow Rocket chest pocket. Mewtwo has a Psystrike attack and alternate arm parts.
A pre-order bonus R logo base is available as a bonus when pre-ordering with Good Smile. A Beast Ball is the bonus when pre-ordering from the Pokemon Center.
US Pokemon Center | JP Pokemon Center | Good Smile