1. Clint Barton/Natasha Romanoff

2. Clint Barton/Kate BIshop

3. Kate Bishop/Yelena Belova

4. Natasha Romanoff/Yelena Belova

5. Daisy Johnson and FitzSimmons

6. Monica/Jimmy/Darcy

7. Lady Sif and Thor

8. Lady Sif and Loki

9. Matt Murdock and Jessica Jones

10. Wanda Maximoff and Clint Barton

11. Steve Rogers and Natasha Romanoff

12. Tony Stark and Natasha Romanoff

13. Peggy Carter and Utau.

My number 1 pick for non romantic relationship in the entire mcu is the father-son mentor mentoree idol and protege relationship between Tony Stark /Iron Man and Peter Parker/Spider-man

• Iron Man and Spider-man

• Iron man and thanos

• Iron man and War Machine

• Iron man and Nick Fury

• The Avengers

• Iron Man and Captain America

• Nick Fury, Phil Coulson, and Maria Hill

• Guardians of the Galaxy

• Iron man and Bruce Banner

• Iron man and JARVIS

• Deadpool and Wolverine

• Rocket Raccoon and Groot

• Spider-man and Happy Hogan

• Iron Man and Happy Hogan

• Doctor Strange and Spider-man

• The 3 Spider-men

• Spider-Man and Iron-Man

• Loki and Thor

• Marc Spector and Steven Grant

• Captain America and Bucky

• Red Guardian and Bucky

• Loki and Mobius

• Tony Stark and Bruce Banner

• Avengers

• Spider-Men

• Sam Wilson and Steve Rogers

• Baron Zemo, Bucky and Sam Wilson

• Iron Man and War Machine

• Guardians of the Galaxy

• Hank Pym and Scott Lang

• Nick Fury and Captain America

• Ned Leeds and Peter Parker

• Shuri and T'Challa

• Deadpool and Wolverine