by Jefferson Robbins

5. Iron Man 2 (2010)

It's a messy casserole of Avengers promotion and crossover frippery, shoehorning in unnecessary supporting characters and dual archvillains, devolving its hero to the shallow dickweed he was at the start of the first movie just to generate some character conflict, throwing in a little slapstick martial arts so its director can have an onscreen star moment alongside a sexy A-lister…