Very unlikely. Most people loved TA2 and rightly so. It's good movie, Ultron is a much better villain than Loki.
And you'll realize this thanks to Captain America 3
Despite the fact SW7 won't be there until December 18. That's the craziest.
You can say whatever you want but Disney is an advertising God, selling Star Wars to them was the best decision Lucas could take!
From Telemachos about SW7 :
"Last night, we had the single biggest simultaneous surge for movie tickets our industry has ever seen..."
- Tim League, CEO of Alamo Drafthouse
The rest of the article (and apology) is here: http://www.ew.com/article/2015/10/20/star-wars-tickets-apology
The fact that MJ1 disappointed a lot of people could be dangerous indeed, I think CF was great but MJ1 killed the hype. Now I still expect it to beat MJ1.