What additional ingredient is included in the Hunter's Club apart from cheese and 2x beef?

The Hunter's Club sandwich from Jimmy John's features not only cheese and 2x beef but also additional ingredients that enhance its flavor and texture. Specifically, it includes lettuce, mayo, and tomato. These components contribute to the overall freshness and balance of the sandwich, providing crunch from the lettuce, creaminess from the mayo, and juiciness from the tomato.

By having all of these ingredients, the Hunter's Club offers a blend of tastes and textures that make it more satisfying and enjoyable. Each ingredient plays a role in creating a well-rounded sandwich, which is why the correct answer encompasses all of them. This combination is essential to the overall identity of the sandwich at Jimmy John's.