I miss your spectacular spider-man... With the news on the Rhino being added to the sequel of Amazing Spider-man film I was thinking back to your designs. I still would love to see what you had in mind for the other baddies within his rogue's gallery... Love this image too! Thanos looks like he's about to quote Shakespeare before laying on the hurt.
I think people are complaining Cap is too small because the characters are in size groups like (largest to smallest) Thanos The Hulk Hawkeye, Black Widow and Iron Man Captain America and Thor But since the last two groups are kind of one on top of the other there isn't a clear distinction for why the front two characters are smaller. If they were in a different place on the page it wouldn't be a problem, but I like the composition of this how it is, so personally I'd literally just size Cap and Thor up to match the rest of the team. Maybe size the other three down to meet them half way so you don't have to shift things around as much to keep everyone in view.
Amazing stuff as always though :'D Nothing compares to Cheeks, always my biggest inspiration~