It’s 9am and freezing cold out the front of some convention centre. Geeks of all shapes and sizes are queued up, ready to pounce. For some it will be a mad dash to get a chance for a photo with their favourite celebrity, for others it’s to get that first bargain or rarity before someone else snaps it up. For me, it’s a sprint to artist’s alley to meet my artistic heroes of the comic world.