The Avengers almost works. It's funny and it's physical, but even at two and a half hours, it plays like it's on fast-forward. Forget character development—there's not even character explanation. The lesser Avengers are most slighted. After two movies with Black Widow and Hawkeye, I know less about them then I do the fighting Panda in Tekken. But at least Johansson and Renner get to square off in the flick's best mano-a-mano battle, which is thrilling and wince-worthy because they're human and evenly matched—everyone else just slams each other against trees. Much of the movie is rotating video game mash-ups: Thor against Iron Man, Iron Man against Hulk, Hulk against Loki. It'd get monotonous if writer-director Joss Whedon hadn't written in literal punchlines—there's at least two face-smashes that get a loud laugh. And some of the best duels are mental, like a calculating showdown between Black Widow and Loki. They never touch, but the violence hums.