Comic book villains have proven to be a very difficult concept to portray on the big screen, with the vast majority of such depictions failing to garner acclaim for audiences or critics alike. Whether it's because the casting was terrible, their appearance was pathetic, they were vastly underpowered, they were changed too much from the source material or because of any other reason, more often than not comic book movie villains are deemed to be failures. That's not to say there haven't been some great ones; Ian McKellen's Magneto, Heath Ledger's Joker, Terence Stamp's General Zod, Tom Hiddleston's Loki, Sebastian Stan's Winter Soldier and Alfred Molina's Doctor Octopus are just a few who have hit the nail firmly on the head with their portrayals of villains, which proves that it can be done well and makes it all the more frustrating when it's done badly. There are also some examples of comic book movie villains who at least get a couple of things right, but still lacked certain qualities to make them great - and that's what we're going to be looking at here, namely those that were aesthetically good, but didn't get much else right. Here are ten comic book movie villains who looked great (but sucked anyway)...