Professor X visits SHIELD HQ, overhears the crazy shit Captain America randomly thinks about when he looks like he's being super serious and paying attention in a meeting.
29 Of The Funniest Things Tumblr's Ever Said About The Avengers
I'm also pretty certain Elsa is the love child of rogue and iceman. Perhaps Frozen only happened because the xmen movies made them a couple.since they aren't in the comics.