MTL - Boss’s Death Guide - Chapter 341 fighting

Adam, who mysteriously transmigrated to the Marvel universe over a decade ago, has established the powerful Umbrella Corporation. Now, he's unleashing a new era of viral evolution. The Progenitor Virus, T-Virus, C-Virus, and G-Virus are just the beginning of his sinister plans.As heroes and villains struggle to contain the chaos, new threats emerge: the Blacklight Virus, Z-Virus, and the dreaded Cthulhu Virus. Adam's shadowy influence grows, pushing the Marvel universe to its limits.

Just when I thought I was going to become the group leader like the protagonists of other online novels, use the big trick, gain supreme power, marry Kaguya Otsutsuki, and reach the pinnacle of life.

I found out why the members of these chat groups are all me?

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Currently there are Naruto, Bleach, Dragon Ball, Daily, Rurouni Kenshin, Another World, DNF, Youkai, Tom and Jerry

- Description from novelbuddy

Roy died during a war against the Evil God Cult, but somehow, he returned back in time to 30 years in the past where he was just a boy who awaken his summoning magic.