The Sensational She-Hulk #12

She-Hulk charges forward on this February 1990 cover with a fist raised and wild green hair flying, shouting "X-Men Assemble!" — while Storm flies in behind her, Wolverine stands his ground to the right, and a casually seated figure in yellow reads what appears to be a comic book, blissfully unbothered by the chaos. A hulking robot looms in the background, and Spider-Man's face peeks out from a small inset corner box, completing this wonderfully offbeat ensemble. Steve Leialoha's cover art captures the book's signature blend of superhero spectacle and self-aware humor that made The Sensational She-Hulk such a delight in 1990.