She-Hulk Vol.2: Superhuman Law
Japanese translated version of the She-Hulk (2004-2005) tradebacks with original cover art featuring her in her boxing attire.
Posts
The Simpsons - Season 27, Episode 8: Paths of Glory
The bar Knockers has a banner with a couple of silhouettes of female boxers for some reason. No actual female boxing is shown inside.
Chainsaw Man - Episode 4: Rescue
https://www.youtube.com/watch?v=xIKW3NKYBWw Ending sequence featuring Power dressed as a boxer.