LONDON The blue carpet was rolled out in London for the premiere of Marvel’s 'Guardians of the Galaxy'. Vin Diesel was head and shoulders above the crowd as he walked the event on stilts. He also wore a tee shirt that said “I Am Groot” – in reference to his character. But the big question on everyone’s mind – is Zoe Saldana pregnant? And expecting twins no less! While the actress kept mum on the rumors, her flowing Valentino gown may be one indication she is. Another could be her upcoming time off before she starts shooting the next three “Avatar” movies. 1:00 Zoe Saldana: I am waiting to be…prep time 1:09 Leading star Chris Pratt was also in attendance and discussed what attracted him to the role. :52 Chris Pratt: oh man I just…really good 1:05 SAN DIEGO Over in San Diego, the madness of Comic Con has begun. Dolph Lundgren, Randy Couture, Wesley Snipes and Kellan Lutz dropped by the Wired Cafe to represent “The Expendables 3”. 3:38 we got Mel Gibson…solid 3:53 And Pedro Pascal from “Game of Thrones” was there to serve his fans. 6:09 Pedro Pascal: I’ve never been…so far 6:17