Sony started teasing blood-soaked snowflakes for its appearance at the annual Gamescom trade show next week, but the PlayStation maker has switched to full-on weird for its latest trailer. Available on the official PlayStation YouTube channel, Sony’s teaser is either designed to troll the internet or it’s a big miss for a company that’s had some great marketing for its PlayStation 4 console recently.The 30-second spot includes psychedelic green screens, puzzling facial expressions, and a generous helping of PlayStation logos whizzing by. …