Originally posted by Silent Master
Then post the screen-caps where he used lightning, charged hammer strikes and weather control against the Hulk.
Post the screen-caps where the lightning does anything to Iron Man?
Unless he has an empire states size building to hand to store and amplify his lightning, it doesn't seem to be much of an attack.
Thor simply wasn't strong or powerful enough, even with Mjolnir, to battle Hulk on the helicarrier.
We saw later what Hulk can do when he is actually cutting loose. So we know that it's far more reasonable to say Hulk was holding back and site the fact that the helicarrier was still in one-piece, than to say Thor was holding back because you didn't see any lightning.