Even the one-on-one duels look like outtakes from a gritty remake of West Side Story:
In the script, Sirius Black kept saying, "Shamona!" and grabbing his crotch, suggesting
that Gary Oldman wasn't the first casting choice.
It's not just Harry Potter, of course -- the magical members of The Avengers, for example, look so dopey behind the scenes that we fully expect a pack of high school bullies to burst in at any moment and give them wedgies. Thor shooting lightning to devastate his opposition resembles a dude pulling off a move he saw at his amateur MMA gym, then feeling sad because no one saw it ...
Mostly because he's alone, in his bathroom.
... while Scarlet Witch looks like your aunt performing her one-woman show about the Wiccan dating scene in Bismarck, North Dakota.
This looks more like a Mary-Kate and Ashley joint.