Batman prep gauntlet

Stops at 7

If he clears 7 there is no way he gets past 8.

Stops at Iron-man

He can beat everyone on this list, but Hulk.

Stops at Pym.

Dr Nemesis puts his science in him.

fight taking place in Gotham is amp enough for Bats. otherwise he wouldn't get past Tony

He stops at one.

Originally posted by Silent Master
According to Batfans, those 6 people could team up and Batman would still win...because he'd come up with a plan.

You should let Batfans speak for themselves.