I've seen the movie 3 times, each time in Imax and the last time was the best time for me, as I went alone, so no distractions whatsoever (theater was low volume at the time too) and had the the exact best seating for IMAX 3d, which is Row H (of M being the highest) and smack dab in the middle (which is seats 16-19). The view and sound is most perfect at this point with no head tilting, 3d glarring effect or anything, just all optimal aural and visual excellence.
Love this movie. Got it ever so slightly above Winter Soldier and pretty much my new MCU fav. I kinda want to watch it just 1 more time in theaters, whilst watching the first two Cap movies and the first two Avengers movies just before seeing it (as I didn't get to for any of my viewings yet), but I'm sure it'll no longer be in IMAX now, or possibly up till this Thursday as I know that Alice in Wonderland movie about to take it outta there.
Upon this last viewing, one of the funny things I noticed that kept happening in this movie was Cap taking some extreme, grueling, punishment plummet in fights (akin to Spiderman 2 at that, lol) as it happened about 3-4 times to him specifically and also, Bucky getting his metal arm caught in a punch, lol! Like...damn near every team member intercepted that pass. I was just waiting for Falcon to do it. Bucky and Ironman got sonned the most throughout the movie (excluding War Machine's ultimate sonnage; Bucky did get his man in quite a few moments too tho, whereas Ironman really only got maybe 2 "winning" shots/moments and they were either very brief or eclipsed by later sonnages). Damn near everyone got a good moment of shine tho (tho Hawkeye's and War Machine's moments were quite muted).