Avengers Undercover #1

From writer Hopeless and artists Walker and Green II, Avengers Undercover: Descent plunges young heroes into the shadow world of villainy — and Francesco Mattina's cover sets the tone perfectly, bathing a group of grim, dark-clad figures in sickly green light as they gather around a massive, helmeted figure dominating the foreground. One figure bears a glowing skull emblem on their chest while another crackles with eldritch green energy at the edge of the frame, the whole composition radiating a sense of dangerous allegiance. This 2014 Marvel NOW! collection earned praise from both IGN and ComicVine for its sharp satirical edge, and it's easy to see why — the mood here is tense, layered, and genuinely compelling.