Thor, from the movie Thor. In one scene about halfway through the movie, he finds out he can't get his powers back until he "Proves himself", or something, and in the very next scene, he proves himself and gets his powers back. That felt extremely rushed to me...The move would have been a lot better with at least ten minutes or so of more movie between those scenes. Other than that the movie was alright though.
And semi-related, I find Tony Stark's character development to be a bit annoying through the series...In the first movie he had this nice character arc, discovers humility, finds a purpose, ect. Then in Iron Man 2 he's pretty much back to the very start of all that, same in Avengers. From the IM3 trailer it looks like he's more like he was in the second half of IM1, though I probably shouldn't be making assumptions. Still a fun character, but his development feels off to me.
Hopefully that was all legible, I'm tired at the moment @_@