User blog comment:Mark4518/X-Men’ Producer Would Love An ‘Avengers’ Movie Crossover/@comment-1895174-20130219133851/@comment-4651179-20130220211825

Captain America's problems of being in the future?

Nick Fury's necessity to be in control of everything?

Bruce Banner feeling out-of-place?

Thor's feeling responsible for what his brother has done?

Loki's delusions of glory?

I think those were noticeable personal arcs the characters had.