- Howard the Duck was mentioned in a post on the M:AA Insiders Twitter page. Followed by post with this portrait art.
- Howard the Duck is the third lockbox hero to be released without previously appearing as a villain in the game.
- Howard the Duck uses versions of some of the following Agent's arsenal weapons;
- Howard the Duck has a themed supply: .
- Coulson's BFG
- The description: "IDKFA" is also a reference from a famous cheat codes in Doom series.