The Xena: Dangerous Liaisons Xena Comics XC3 Hercules trading card is a vintage collectible from the Xena: Warrior Princess franchise. Manufactured in 2007 by Rittenhouse, this original non-sport trading card features the character Hercules and is part of the action and adventure genre. Made of card stock with an insert feature, this English language card is a sought-after piece for fans of the Xena TV show.