"Fan backlash" refers to a negative response or outrage expressed by a group of fans towards something they strongly disagree with or do not like. Full definition
The team just couldn't continue in its present form without fan backlash. (sbnation.com)
Diablo III met with a decent critical reception last year despite plenty of fan backlash against a horrible launch and some of the more controversial gameplay systems (most of which worked pretty well in our opinion). (dealspwn.com)
This may come after fan backlash ensued after they released a trailer that had Doomsday appear in Batman v Superman: Dawn of Justice. (omegaunderground.com)