I think the draftsmanship is good. One thing I would try to work on.. when there's a punch landing (on spidey), try to really exaggerate the hit. At the moment it just looks like an arm next to him. He should be reeling from the blow. Get a strong line of action on Spidey for those and really open it up. I think that carries across to a couple of other panels too. Get some bend in the spine and offset the collar and hips.. As well drawn as this is, it also feels a bit rigid.. which is the polar opposite of Spidey. One other thing.. a couple of spots where the figures are smaller, the proportions are off a bit. It really stands out to me because of how well the rest of the figure work is done.
Anyway, I can tell you put a lot of work in, thanks for sharing. Hope my crits help.