Batman in Batman & Robin
For some reason, Batman has nipples showing through his suit. Naturally, everyone thought it was bizarre and hilarious that his nipples would somehow poke through his bullet-proof suit. Director Joel Schumacher claimed that the addition of the nipples was intended to mimic the statues of Greek gods. Sure, Joel.
Quicksilver in X-Men
Quicksilver makes an appearance in both Marvel’s Avengers: Age of Ultron and the Fox versions of the X-Men movies. Marvel chose to stick with the comic book look, but the Fox filmmakers decided to give him a makeover. Most comic book fans were outraged by the quirky and dorky costume design.