Did you miss seeing this new TV spot for "Avengers: Age of Ultron" last night? Maybe you don't have a TV, or you got up to go to the bathroom, or you scroll through commercials on your DVR - hey, we're not here to judge.

Anyway, there's not a ton of new stuff happening in this spot that we haven't seen before. We do get a better look at Iron Man's fancy Hulkbuster suit, and there's more Iron Man-on-Hulk action, but that's about it.

Or is it? Over at Hitfix Harpy, Donna Dickens notes that we could be getting a glimpse of the elusive Grey Hulk. "But that bit where the Hulk kicks the cop car like Rocket Raccoon kicks grass? The warm color palette used in every other shot of the Hulkbuster fight is absent, replaced with muted blues that indicate a different sequence. So is it the new color scheme that makes Banner's alter ego look different, or it could be that we're seeing Grey Hulk?" The Grey Hulk is the more subdued version of the Hulk, which is not to say that the grey guy is totally chill; he's just sort of slower to Hulk out. Take a look, and let us know what you think.

"Avengers: Age of Ultron" opens May 1.