The Peerless Power of Comics!: The Avengers vs. The U-Foes vs. The Avengers!
3 – Whose Foes? U-Foes! | Marvel Plot Points
Vector - Marvel Comics - Hulk enemy - U-Foes - Character profile - Writeups.org
Marvel: U-Foes - X-Ray, Vector, Ironclad and Vapor. | Flickr
U-Foes | Villains Wiki | Fandom
May I ask your review of The Immortal Hulk.#42? The U-Foes are back, what's your opinion? - Quora
Hulk vs The U-Foes - The Incredible Hulk Game (2008) - YouTube
BackintheBronzeAge no Twitter: "The bad FF! Who doesn't love the U-Foes? Vector, Vapor, X-Ray & Ironclad! Created by Bill Mantlo & Sal Buscema in The Incredible Hulk #254 (1980) the team always
Immortal Hulk: Who Are the U-Foes, the Avenger's Elemental Enemies?