So Marvel comics and ESPN teamed up to make special covers for the weekends "big" games. They apparently took inspiration from a "World War Hulk" issue with the Bucks playing the part of Hercules.
Here's a link to all of the covers with their inspiration: https://theundefeated.com/features/marvel-college-football-kickoff-weekend/
[MOD Edit: Tried to help you out with the image. Also added a link in case folks want to see the other covers.]
