The MCU's League of Assassins

Synopsis: What if Oliver and Nyssa started dating after the Siege? What if they were still dating when Oliver decided to infiltrate the league and Nyssa knew about his plan? What if Oliver decided to become the new Ra's al Ghul after he killed the previous R's al Ghul, Nyssa's father? What if the League of Assassins assisted in defending New York from Loki and the Chitauri? What if Oliver and Nyssa became part-time Avengers after? What if Oliver managed to develop a controlled Mirakuru that didn't influence emotions and gave it to himself and Nyssa? And what if, sometime between Civil War and Infinity War, Oliver and Nyssa gained the memories and most of the abilities of their previous lives, Naruto Namikaze and Satsuki Uchiha?

Aliases:

Nyssa Raatko/Nyssa Queen = Nyssa Al Ghul/Artemis(Greek Goddess of the Hunt)/The Wife of Ra's al Ghul

Oliver Queen = Al-Sah-Him(The Arrow)/The Hood/The Arrow/Ra's al Ghul

New League Positions:

Ra's al Ghul: Oliver Queen

Wife of Ra's al Ghul: Nyssa al Ghul

Deathstroke: Slade Wilson

Four Horsemen

Ra's al Ghul: Mid-High S-Class

Eobard Thawne: Low-Mid S-Class

Malcolm Merlyn(Prime): Low S-Class

Malcolm Merlyn: Peak A-Class

Oliver Queen(Season 1): High A-Class

Oliver Queen(Season 2): Peak A-Class

Oliver Queen(Beginning of Season 3): Low S-Class

Oliver Queen(End of Season 3): Mid-High S-Class

Oliver Queen(Avengers): Peak S-Class

Oliver Queen(Perfected Mirakuru(Civil War)): Low SS-Class

Oliver Queen(Infinity War): High SS-Class

Oliver Queen(Endgame): Peak SS-Class

Sara Lance(Season 2): Mid-High A-Class

Nyssa al Ghul(Season 1-3): Peak A-Class

Nyssa al Ghul(Avengers): Mid-High S-Class(Equal to Ra's)

Nyssa al Ghul(Perfected Mirakuru(Civil War)): Peak S-Class

Nyssa al Ghul(Infinity War): Mid-High SS-Class

Nyssa al Ghul(Endgame): High SS-Class

Kara Danvers: Mid SS-Class

Slade Wilson(Mirakuru): Mid S-Class

Slade Wilson(Season 2): Low S-Class

Slade Wilson(Season 3): Low S-Class

Slade Wilson(Avengers): Mid S-Class

Slade Wilson(Perfected Mirakuru(Civil War)): High S-Class

Slade Wilson(Perfected Mirakuru(Infinity War)): Peak S-Class

Slade Wilson(Perfected Mirakuru(Endgame)): Low SS-Class

Captain America(Avengers): Low S-Class

Captain America(Age of Ultron): Low-Mid S-Class

Captain America(Civil War): Mid S-Class

Captain America(Infinity War(Canon)): Mid S-Class

Captain America(Infinity War): Mid-High S-Class

Captain America(Endgame(Canon)): Mid-High S-Class

Captain America(Endgame): High S-Class

Barry Allen(Beginning of Season 1): Mid A-Class

Barry Allen(Season 1 Finale): Low S-Class

Barry Allen(Beginning of Season 2): Low-Mid S-Class

Barry Allen(Season 2 Finale): Mid-High S-Class

Barry Allen(Season 3 Finale): Peak S-Class

Barry Allen(Season 4): Low SS-Class

Caitlin Snow(Season 3(Killer Frost)): Peak S-Class

Caitlin Snow(Season 4(Killer Frost)): Low SS-Class

Thor(Pre-Ragnarok): Low-Mid SS-Class

Thor(Post-Ragnarok): Mid SS-Class

Hulk: Mid SS-Class

Thanos: Mid-High SS-Class

Shield Threat Levels:

Nyssa al Ghul(Season 3): Level 5

Nyssa al Ghul(Avengers): 6

Nyssa al Ghul(Civil War): 7

Nyssa al Ghul(Infinity War): Level 9

Nyssa al Ghul(Endgame): Level 10

Ra's al Ghul: Level 6-7

Oliver Queen(Season 1): Level 4-5

Oliver Queen(Season 2): Level 5

Oliver Queen(Season 3): Level 5-6

Oliver Queen(Avengers): Level 7

Oliver Queen(Civil War): Level 8

Oliver Queen(Infinity War): Level 10

Oliver Queen(Endgame): Level 10+

Steve Rogers: Level 5

Deathstroke: Level 5

Natasha Romanoff: Level 3-4

The Flash(Season 1): Level 4-5

The Flash(Season 2): Level 5

The Flash(Season 3): Level 5-6

The Flash(Season 4): Level 8

Killer Frost(Season 3): Level 5-6

Killer Frost(Season 4): Level 7-8

The Hulk: Level 9-10

Supergirl(Canon): Level 9-10

Thor: Level 9

Thanos: Level 10

The Arrow: Level 5

The Canary: Level 4-5

Malcolm Merlyn: Level 5

Reverse Flash: Level 5-6

Zoom: Level 6

Savitar: Level 9

Loki: Level 8-9

Character Ages(Avengers(2017)):

Oliver Queen - 32

Barry Allen - 28

Caitlin Snow - 28

Harrison Wells - 54

Cisco Ramone - 28

Nyssa Queen - 32

Talia al Ghul - 70

Laurel Lance - 32

Quentin Lance - 57

Tony Stark: 47

Thor: 1,053

Natasha Romanoff: 33

Clint Barton: 46

Bruce Banner: 48

Nick Fury: 67

Steve Rogers: 28/98

Phil Coulson: 53

Character Ages(Winter Soldier/Age of Ultron(2019)):

Oliver Queen - 34

Barry Allen - 30

Caitlin Snow - 30

Harrison Wells - 56

Cisco Ramone - 30

Nyssa Queen - 34

Talia al Ghul - 72

Laurel Lance - 34

Quentin Lance - 59

Tony Stark: 49

Thor: 1,055

Natasha Romanoff: 35

Clint Barton: 48

Bruce Banner: 50

Nick Fury: 69

Steve Rogers: 30/100

Phil Coulson: 55

Character Ages(Civil War(2021)):

Oliver Queen - 36

Barry Allen - 32

Caitlin Snow - 32

Harrison Wells - 58

Cisco Ramone - 32

Nyssa Queen - 36

Talia al Ghul - 74

Laurel Lance - 36

Quentin Lance - 61

Tony Stark: 51

Thor: 1,057

Natasha Romanoff: 37

Clint Barton: 50

Bruce Banner: 52

Nick Fury: 71

Steve Rogers: 32/102

Phil Coulson: 57

Character Ages(Infinity War(2023)):

Oliver Queen - 38

Barry Allen - 34

Caitlin Snow - 34

Harrison Wells - 60

Cisco Ramone - 34

Nyssa Queen - 38

Talia al Ghul - 76

Laurel Lance - 38

Quentin Lance - 63

Tony Stark: 53

Thor: 1,059

Natasha Romanoff: 39

Clint Barton: 52

Bruce Banner: 54

Nick Fury: 73

Steve Rogers: 34/104

Phil Coulson: 59; Dead

Character Ages(Endgame(2028)):

Oliver Queen - 43

Barry Allen - Dead; 34

Caitlin Snow-Allen - 39

Harrison Wells - 65

Cisco Ramone - Dead; 34

Nyssa Queen - 43

Talia al Ghul - Dead; 76

Laurel Lance - Dead; 38

Quentin Lance - 68

Tony Stark: 58

Thor: 1,064

Natasha Romanoff: 44; Dead

Clint Barton: 57

Bruce Banner: 59

Nick Fury: Dead; 73

Steve Rogers: 39/109; 106/215

Notes: As of his introduction to the world, Nathan is stronger than Oliver's season 5 self. The invasion of New York takes place about a month before the Christmas of Oliver's return. Oliver is almost as strong as his season 5 self, during season 1. Slade goes through all of Oliver's Post-Amazo adventures.