Magneto,Spiderman,JeanGrey,BlackWidow,Hulk VS Batman,Wonderwoman,Catwoman,Deathstroke,Aquaman
Full intel which team would win? Location : random place with few buildings and wide open space (with some trees).
EDIT: FULL PREP!!! (meaning 1 month's time :P since some people were ridiculous enough to consider it as 20 years or greater worth of prep.)