There is a lot's of amalgam character in DC Marvel Combined Comics Series. It will be fun if we are also able to play "thenoseid", "Super Solider" and "Dark Claw" in GTA V. Hope Someone will add this Ped Very Soon. Thank You.
Thenoseid = Thanos+Darkseid.
Super Solider = Superman+Captain America.
Dark Claw = Batman+Wolverine.
On the Internet, you can find more details and pictures of this.