7) Franklin Richards
Who would have thought that the son of Mister Fantastic and Invisible Woman – two heroes with helpful abilities, yes, but not particularly powerful – would be one of the most ridiculously powerful characters in the whole Marvel universe?
Franklin Richards doesn’t possess stretchy skin or the power of invisibility, but instead has incredibly vast reality-warping abilities that put him beyond the category of an Omega-level mutant. He’s so powerful, in fact, that he was instrumental in defeating Ultron when he was still just a toddler and has been sought after as a doomsday weapon by the likes of Annihilus and Onslaught. To demonstrate just how god-like he is, Franklin once subconsciously created his own pocket universe. It’s also been said that eventually Franklin will become so omnipotent that even Galactus will be subservient to him.
Franklin also has a (much less powerful) sister – Valeria Richards, so named because she was raised by Doctor Doom in an alternate dimension (weirdly, she still refers to the supervillain nemesis of her parent as “Uncle Doom”).