Transformers Mobile Movie

Archibald Witwicky (ancestor of the Witwicky family) fell into the abyss with a huge chunk of ice in a disaster, and landed on a robot's hand buried under the ice. When the captain woke up, he found the robot's eyes gazing at him. And this robot was none other than Megatron, who had left Cybertron long ago to go to Earth to search for the Allspark...