The Super Villain

Not to be confused with the Supervillain.

Something or someone that poses a greater threat than the Villain did and makes whatever their scheme was look like a mischievous plan in comparison. It can come in the form of a person, inanimate object, or event. This thing that's the Super Villain may mean so much bad news for everyone it endangers, it gives evil no choice but to join forces with good, which would be a logical result since the Villain wouldn't want to not be the main bad guy everyone is afraid of and wants to take the Super Villain down to reclaim their title as #1 bad guy.