Marvel comics has been making memorable and iconic characters since it first started printing comics more than 80 years ago. The publisher behind heroes like Spider-Man, Captain America, and the Fantastic Four is a household name, in part because of its steady stream of mega-blockbuster movies that all take place in a massive, interconnected world. The Marvel Cinematic Universe, or MCU, has made many of its characters mainstream in a way they never were before. The acquisition by Disney in...