'Star Trek Into Darkness' 87 % on Rotten Tomatoes

In Summer 2013, the director J.J. Abrams will deliver an explosive action thriller that takes 'Star Trek Into Darkness.' When the crew of the Enterprise is called back home, they find an unstoppable force of terror from within their own organization has detonated the fleet and everything it stands for, leaving our world in a state of crisis. With a personal score to settle, Captain Kirk leads a manhunt to a war-zone world to capture a one man weapon of mass destruction. As our heroes are propelled into an epic chess game of life and death, love will be challenged, friendships will be torn apart, and sacrifices must be made for the only family Kirk has left: his crew. (c) Paramount

So, this move only scored 87%... Its funny because the one before it ''Star Trek (2009)'' scored a 95%! What happened? I personally thought 'Star Trek Into Darkness.' was a fantastic movie! What are your thoughts?

Schwartz, Terri. "J.J. Abrams defends his “Star Wars” and “Star
     Trek” films." IFC.com. N.p., n.d. Web. 2 Feb. 2013.