Highlander: The Source, envisioned as the first of three new films in the popular supernatural franchise, will shoot in Lithuania starting in October, according to an announcement by Davis-Panzer Productions, Sequence Films and Grosvenor Park. Brett Leonard (Lawnmower Man) will direct, with Adrian Paul playing the immortal Scottish swordsman Duncan MacLeod. Okay, I’m a Highlander fan. I own three (3) little tchotchkes shaped like the famous dragon-head katana: a necklace, a pen, and a rather cool if I do say so letter opener. I’ve blogged before about my HL fan-past. And the word among fans has been going around about…