martin stein (fire)
niad (water)
man thing (earth)
red tornado (wind

vs

thanos

i believe the elements for there all individually would put up a good fight
man thing is well resistant to most physical attacks wen near vegetation or life

martin stien is powerful enough to fight celestials and is very powerful

red tornado well i dont know much but i know he would put up a good defence for the rest or a good divertion so the others can laucjh an attack or somet

niad a being made of pure water and controls here element well

thanos well u know bout him dont u