I_Am_Noice
I think he will find this world to be the Resident Evil world. That just about fits his current power level. I would also like him to visit the Underworld movie universe or the Teen Wolf universe in one of his following travels. The power levels there aren't as ridiculous as in some other supernatural universes. Similarly it would be cool if he visits the Supernatural and Vampire Diaries tv show universes to see how he would fare there. Although that would be after he gets a bit stronger or else he would be shredded into bits quite easily. MCU and DC universes may come later but right now it would be overkill for him.