Guardians of the Galaxy opened up the cosmic side of the Marvel Cinematic Universe, although this exploration has left behind a number of questions that to this day have not been addressed. This has been common with Marvel, whose MCU credits trend has seen so many stories, characters, and mysteries set up that are never fulfilled in later films. Years later, audiences are still waiting to see what was the point of introducing characters like Starfox in Eternals or Hercules in Thor: Love and Thunder.