The one above all

Izuku will be apart of the DBZ universe before going to the MHA universe. He will be from his own planet and will be the only person apart of his species. He will be on his own planet and will be sort of like Broly. He will have strength rivaling the grand priest due to his species' abilities and the fact that the monsters/food on his planet has power levels ranging from Imperfect Cell to Kid Buu. Izuku will learn languages as soon as he hears one word from the language just so I can have him talk to the Z fighters. As time goes on within Izuku's planet the food will adapt to get stronger to survive making their power levels spike for Imperfect Cell-Kid Buu to Super Sayian Gogeta-Jiren and Izuku will still remain the victor while feeding himself. Eventually, Beerus and Whis are set off to look for fighters for the main tournament of power (The one with Jiren) and come across Izuku and after a short fight (Izuku dominating Beerus as well as beating Whis) They tell Izuku to come with them (bribing him with food) so they can help him live without having to fight for food which Izuku took that offer before absolutely destroying a monster that tried to attack Beerus.