There wouldnt be a Marvel Cinematic Universe without Robert Downey Jr.

In hindsight, I get to take credit for everything, the actor joked onJimmy Kimmel Live!Wednesday.

He also convinced Chris Evans to become Captain America.

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Credit: ABC

As Downey explained to Kimmel on Wednesday, Spider-Man was actually his favorite superhero growing up.

He was funny, he was cool, he was young like us.

Peter Parkers beloved aunt somehow gets younger with eachSpider-Manreboot, as if she was Benjamin Button.

She seemed ancient before.

Now shes Marisa Tomei.

Hes got a hot aunt, Downey said.

My God, just think of the possibilities.

Watch the full clip below.