Happy Tree Avengers Sketch

Yep. I'm doing it. Tonight, this bad boy will be finished in the pencil stage and it will then go into Illustrator for the final touches! Just wait until you see the final render! I couldn't resist showing my progress on this baby, I'm really happy with how it is in just the sketch phase! Please share your thoughts on this soon to be, epic piece! And DON'T be copying my ideas! Or I will sic Flippy on you...
Characters-
Toothy-Iron Man
Cuddles-Captain America
Shifty-Thor
Flippy-Hulk