Re: 5 things you want to see
1) The whole team fighting side by side.
2) More private interactions between the Avengers.
3) A Hulk as he is in EMH.
4) A little debate between tony and Thor about magic and science/technology.
5) And Thor not holding back with his powers, looking more 'godly'.
MARVEL CINEMATIC UNIVERSE: PHASE II
IRON MAN III - THOR: THE DARK WORLD - CAPTAIN AMERICA: THE WINTER SOLDIER - GUARDIANS OF THE GALAXY
AVENGERS: AGE OF ULTRON