PopCap has confirmed that Plants Vs. Zombies 2 will be arriving this summer. The original is one of the biggest hits for the company, which was purchased by EA for $650 million in cash plus $650 million more in stock and potential earn-outs back in 2011. PopCap didn't release any information about the sequel, but has launched another PvZ title for Facebook called Plants vs. Zombies Adventures: Unlike the original, Adventures has players defending a motor home from waves of zombies, and the undead don’t just walk in a straight line th