Eggs or fungus?

[glass_shark]

Hello all, I have discovered some egg like things on a few of my maples, any idea what these are and gow and should I get rid of them?

 

[Paradox]

Hard to tell from the picture.
I would cut the leaf off and put it in the garage

 

[sorce]

The leaf behind looks like the beginning stages of what seems more likely fungus.

Sorce

 

[Paradox]

Hard to tell from the picture.
I would cut the leaf off and put it in the garage

Garbage not garage...
Damn spell check