With recent news that Spider-Man 4 is hitting snags to the point of missing it’s 2011 release date, Marvel’s come up with a new plan: Thor! Of course, Thor was already planning on an early “summer” debut, but this delay allows Marvel Studios and Thor distributor Paramount to move the release date up to the sweet summer kick-off spot of May 11, 2011–  betting on Sony’s inability to make Spider-Man 4 happen. In the mean time, Thor‘s vacancy then opens …