Marvel's rhymes with:
marvels, marvels, marvels, approvals, archrivals, arrivals, carnival's, carnivals, crovls, daredevils, devil's, devils, devils', evils, festival's, festivals, hovels, intervals, level's, levels, marvels, nevels, nevils, novel's, novels, removals, revels, revivals, rival's, rivals, rivals', shovels, sivils, swivels, travels, unravels, upheavals, weevils
Marvel's sounds like:
marble's, marbles, marvelous, marvels, morphology