Bruce Banner

"You're standing inside Bruce Banner, Kevin."

-Captainsauce (to Kevin)

Before episode 1
Bruce joined the Avengers before the series began.

In the main series
In episode 2, he is visited by Kevin who proceeds to briefly fuse with him, before starting a conversation about literature and fast-food.

Later, he attends Kevin's party where he witnesses Kevin's and Emma's first kiss.

Kevin Sauce
Kevin and Bruce appear to be good friends, as he is invited to the party in episode two.

Personality and Traits
Bruce seems to be quite interested in literature and the romance between Kevin and Emma.

Trivia
-Bruce is the first member of the Avengers to appear on screen.