Last Thursday afternoon I sat on a panel at the Merging Media conference here in Vancouver titled, “A Tale of Two Worlds: When Film/TV-Game Worlds Collide.” Fellow panelists included the current narrative director for the Halo franchise (Armando Troisi); the script writer for Steven Spielberg’s Big, Vague, Not-Boomblox Videogame Project from a couple years back (Adam Sigel); the writer for the Avatar and Lost videogame adaptations (John Meadows); a guy who is currently making an MMO based on the Family Guy series (Ian Verchere); and a woman from New York who specializes in something called “transmedia” (Caitlin Burns). “Transmedia” was only the second…