Steve Rogers-
Illusions

Tony Stark-
None, but you're a SHIELD agent so you're skilled with a variety of weapons

Bruce Banner-
Poison manipulation. You had an accident with some chemicals in the lab, but rather than dying you gained super powers.

Clint Barton-
Flight. You were born with this gift but didn't know about it for a long time.

Thor Odinson-
None

Loki Laufeyson-
Healing. You'd been born with it and have known about this power for most of your life.

Bucky Barnes-
Ice manipulation. While you were kidnapped by Hydra, they injected some strange serum into you. However, your abilities didn't show up until months later.

Pietro Maximoff-
None but you have good martial arts skills

Peter Parker-
Mind reading. These abilities showed up when you were a kid and you've learned to control them over time.

Peter Quill-
None, but you're good at fighting

Sam Wilson-
None