The Mighty Avengers #35

The "Siege" banner and that looming, cracked helmet dominate this striking cover by Khoi Pham and Craig Yeung — a massive armored visage reflecting the strained, desperate faces of several heroes caught up in what promises to be a pivotal confrontation. Against a smoldering orange cityscape silhouette, the image conveys a team under enormous pressure, with the Avengers insignia front and center amid what appears to be blood-spattered chaos. Dan Slott kicks off a two-part story here in 2010, and the cover alone makes clear that "Heir Apparent" arrives at a genuinely intense moment for this team.