The first trailer for Avengers: Doomsday has generated massive buzz online, but not all the attention has been about its star-studded cast. While Marvel fans praised the scale and ambition of the upcoming superhero epic, several viewers questioned the quality of its visual effects, triggering a debate across social media.

CGI debate over Avengers: Doomsday

Soon after the trailer dropped, users pointed to a number of scenes they felt featured unfinished CGI, citing green-screen backgrounds, lighting inconsistencies and character compositing that appeared less polished than expected from an Avengers film. Some even argued that the visuals failed to match the blockbuster scale associated with Marvel Studios, with a section of fans describing the effects as "underwhelming" for one of the studio's biggest releases in recent years.