There is a Avengers cartoon series from 1999-2000. The
production companies were Marvel Enterprises and Saban
Entertainment.
There's also a 2010 series titled, "The Avengers: Earth's
Mightiest Heroes". Produced by Film Roman Productions and Marvel
Animation.
Film: "Ultimate Avengers" (2006). Produced by MLG Productions 1
and Marvel Studios.
"Ultimate Avengers II" (2006). Produced by MLG Productions 2 and
Marvel Enterprises.