Thanks to an Australian consumer magazine, we have some new images of the 2014 Marvel Super Heroes sets. Three Spiderman sets, a Captain America set, and a Thor/Hulk set make up the wave. Not sure if the Spiderman sets are from The Amazing Spiderman 2 or not. The Captain America one appears to be a more cartoon version of The First Avenger, and I have no idea where the Thor one comes from.
76014 Spider-Trike vs. Electro. 76015 Doc Ock Truck Heist 76016 Spider-Helicopter Rescue 76017 Captain America vs. Hydra 76018 Hulk Lab Smash
Looks like a pretty solid wave. With some fantastic minifigures (Electro, anyone?). Expect more details soon.