Marvel Adventures The Avengers #6

The full Avengers lineup swarms the cover of this 2007 all-ages entry, with Captain America, Spider-Man, Iron Man, Wolverine, and a green-costumed Janet van Dyne all engaging a massive, raging grey figure who dominates the foreground — a striking visual that promises a serious team-effort challenge. Swirling green energy crackles across the composition, adding a sense of chaotic, other-worldly threat that sets the tone perfectly for a story titled "The U-Foes." Cover pencils by Sean Chen and inks by Sandu Florea give the whole thing a kinetic, punchy energy that's easy to see why the Marvel Adventures line earned its devoted readership.