Agatha Harkness

Born from the imaginations of Stan Lee and Jack Kirby in Fantastic Four #94 (1970), Agatha Harkness arrived in the Silver Age as one of Marvel's most intriguing figures — a mysterious, formidable presence whose debut alongside the iconic Richards family and the ever-lovin' blue-eyed Thing immediately signaled that she was no ordinary supporting player. Over 56 remarkable years of publication, she has woven her way through Fantastic Four, Avengers, and beyond, accumulating 137 catalog appearances and four collector-significant key issues that speak to a legacy far deeper than most characters ever achieve. A proud member of the Fantastic Four's extended world, she has kept extraordinary company — sharing pages with Human Torch, Susan Storm Richards, and the rest of Marvel's First Family across decades of landmark storytelling. If you're building a serious Marvel collection, Agatha Harkness is a name that rewards every back-issue hunt.