Justice League:

-SuperMan

-Wonder Woman

-Green Lantern

-Cyborg

-Batman

-Aquaman

-Flash

Mighty Avengers:

-Ms. Marvel

-Iron Man

-Black Widow

-Ares

-Wasp

-Sentry

-Wonder Man

Round 1: Battle takes place in Gotham City.

Round 2: Battle takes place in Olympia.

Win by K.O.