God-Son of the Multiverse

[This fanfic is heavily inspired by Grandpa Universe in Multiverse, I'm a new writer so I'm bound to make mistakes along the way, please be nice!] Jason lived a life of pleasure, thrills, action, and discipline, when he was eighteen his friends were going to parties while he was fighting in Iraq. When his friends were getting married in their mid-twenties, he started his own company. In his forties, he became a billionaire while his friends struggled to put food on their tables. During his sixties, he led the world into another era of war and death, when he invented smart bullets. Upon his death at the ripe old age of 93, he was expecting a fiery hell but instead, he met a rather handsome young man. [Sorry for the long synopsis, No Harem Included]