Homages to other comics WITHIN comic books?

[dc360]

I saw this in Amazing Spider #162 today and chuckled. I figure there's gotta be tons of other instances of this happening, eh?

 

[Stifler-migration]

I'm not sure which one it is, but wasn't there a Spider-man issue with a cover homage to Action #1?

[Anfield Fox]

I'm not sure which one it is, but wasn't there a Spider-man issue with a cover homage to Action #1?

 

ASM 306

 

Also in 328 he calls himself "Batman".

 

In Wild C.A.T.S #8 Jean and Scott appear on their hunnymoon. Im not sure if that counts.