Trivia about Hulk Vs.. * "Hulk Vs Wolverine" was inspired by The Incredible Hulk #180 (1974), which was Wolverine's debut appearance in Marvel. * "Hulk vs Wolverine" serves as a loose prequel to an episode of "Wolverine and the X-Men" (2008) entitled 'Wolverine vs Hulk'. * The expletive used by Deathstrike, 'gaijin', means "foreigner" in Japanese. * A scene in "Hulk Vs Wolverine" features a hall of tubes with floating babies. One of the tubes reads "X-23". X-23 was a clone of Wolverine, the 23rd attempt at cloning Wolverine and the first successful attempt. The character was created by the writers Craig Kyle and Christopher Yost, who worked on "X-Men: Evolution" (2000) as well as on this feature. * This is the sixth time Steven Blum has voiced Wolverine. * Brian Drumm