Ivon (Earth-199999)

History
Ivon was born in Asgard, being the son of Thruddah (an Asgardian) and Teson (an Eternal of Earth). Born to both parents' anger, coolness, strictness and absence he developed powers to control the elements of Fire, Water, Earth and Air. Yes his parent's emotions created his powers.

Childhood
During his childhood, Ivon was a playful character. reeking havoc on Asgardian markets and parks. Always playing pranks. He once got arrested from trying to create a sculpture of the imprisoned Loki as a joke. Thruddah who was apart of the Valkyrie army always took him away from getting arrested.

In his young age, Teson moved away to take care of his adult life back at Titan. They would keep contact through Thruddah who had mind powers which she shared with her husband, to contact beyond galaxies. After a few months from his quest they lost their connection. It's almost like he was dying. His last message to her was in her dream suggesting that she might be killed by his enemies.

She and her son follow his path and move away to Midgard from troubles and ensuing death threats. They settle in New York in the year 2010 A.D. with a technician called Dunn Bernadeschi. There he discovers his powers and how to control them. He visits a Tai-Chi class suggested by his new school friend Mirian, and there he finds a best friend and a future Friend-With-Benefit.

Marvyn "Dunnson" Dunn
Dunn registers his new family into the government and they all change their names. Ivon to Marvyn Dunn Dunnson. Thrudda to Tabitha Teson. During the Battle of New York, she was killed by a Chitauri soldier. Her death changed his life. It caused his new power of shelling, where he would be covered by any of his powers and could spiritually talk to his dead mother. He was protected from the real world chaos.

He and Dunn moved to Chicago where he met Mirian Lang and her squad. Consisting of Abe Sancho, Florence Kim, Grace and Jess Ochoa and Amy Scott. They went through many adventures in school.

Agent 21
Marvyn found out Mirian was an Agent of a top secret enforcement agency, later also finding out he's been recruited. He joins as a consultant and goes on missions protecting the city of Chicago. James Knight a disguised domestic terrorist for the group Grover Industries, tries to win the city's mayoral seat. (Grover Industries is an Industry that's stealing Chitauri tech and making them into better weapons.) James loses and goes on a rampage with his attacker army to assassinate the mayor. Ivon saves the mayor paralyzing James' suit and protects the mayor. He helps arrest the attacker army and is honored as a hero for the city of Chicago and recognized nationwide.

Ivon later get's his Level One Agent badge as soon as he is a junior in high school and starts working full-time for the organization.

After being an agent, S.H.I.E.L.D. finds an organization named the Unknown Octopus. The organization want's security in exchange for the people's freedom which S.H.I.E.L.D. is suspicious of. The send Agent Mirian as a double agent and finds out they are building an army of humans turned into hybrid reptilians. Ivon and his team consisted of Mirian, Agent Davis McCoy, Agent Steele, Agent Kayla Rodriguez and Agent Sharon Siegfried, led by Agent Mariah Hill, do their best and take care of the reptilian invasion and stop the organization. The Unknown Octopus then unleashes their biggest weapon. The Kaiju, literally a dinosaur in our time, which goes out of control and destroys the city. Ivon subdues it by drowning it in the lake.

Then after the organization loses it is collapsed and right after the boss Dr. Karron Weber reveals a secret that S.H.I.E.L.D. will die. And right after he kills himself...A code goes around and a bypass found by Agent Mirian reveals HYDRA, where she explains what HYDRA is.

HYDRA raids S.H.I.E.L.D. from within.

HYDRA Uprising
Ivon, Mirian and Rodriguez find out that their other teammates are HYDRA, Ivon proves it by the S.H.I.E.L.D. ships trying to blow him up. Mirian and Ivon were previously kidnapped by Agent McCoy who leaves them in a crumbling cave. Rodriguez takes care of guards who come out of the cave for safety. She saves both Mirian and Ivon.

The loyal S.H.I.E.L.D. Agents vow to protect the other loyal agents and send them somewhere safe. HYDRA then try to release a chemical with an atomic bomb that tries to turn everyone into reptilians onto a Quinjet named the Prometheus, Ivon's personal craft. Ivon hacks into it and super speeds it into low earth orbit. It's victory but his ship can't slow down. So he sacrifices himself for the good of Earthlings.

He enters a space-jump and ends up on planet Kitson. The bomb ends up on the planet and blows up in a nearby desert. Ivon and the Prometheus land near a city from a big crash.

Powers
Asgardian/Eternal Hybrid Physiology:

Being biologically Asgardian (from his mother Thruddah) and Eternal (from his father Teson). Ivon posseses four elemental powers. Being fire, water, air and rock. These which are formed from Thruddah's anger and strictness. The other formed from Teson's calm manner and history of absence in Ivon's life. Further more, Ivon posseses a body mass denser than both humans and some Asgardians, and some Eternals. He is invulnerable to big falls, gunshots (he can get shot but bullets can never penetrate beyond his muscular system.

His weaknesses are attacks from bigger explosions (certainly not from a Tsar bomb) and cosmic unprecedented blasts.