Sludge/Ultraverse,Clayface & Glob vs Venom,Carnage & Toxin
Great fight and it may never end.
Sludge- http://www.marvunapp.com/Appendix3/sludgeuv.htm
Clayface- http://spider-bob.com/villains/dc/ClayfaceI.htm
&
Glob- http://www.marvunapp.com/Appendix2/globtimmshulk.htm
vs
Venom- http://www.marveldatabase.com/wiki/index.php/Venom_%28Eddie_Brock%29
Carnage- http://en.wikipedia.org/wiki/Carnage_%28comics%29
&