what avenger comics or issues does spiderman appears and join them?

thats all. i want to know. cos i miss some information about that, cos in the comics of spiderman he already joined them.
so what issues in avenger or avenger dissemble or whatever name it has he show up?

thanks in advance

New Avengers #1 and #2 is when he first fought with the team.

http://www.samruby.com/Series/NewAvengers/newavengers01.htm

And New Avengers #3 is when Cap formally asked him to join up.

http://www.samruby.com/Series/NewAvengers/newavengers03.htm

thanks blaqchaos,i´ll look for them now.

avengers 236,237