Wishing Well War (WWW) Red She Hulk versus ... Doomsday!
Red She Hulk (Betty Banner) as she appeared in Incredible Hulk #634 and 635. Note that she was one-half of the force that destroyed Umar's dark dimension and equal to World Breaker Hulk in strength and durability in these issues.
She fights Doomsday.
Knockout, battlefield removal, or complete immobilization by pinning with some great weight or indestructible material all acceptable routes to victory.
Arena is ... the world.
Battle begins in a deserted industrial Soviet city 300 miles from any people.
Who wins?
1) Hand to hand.
2) Any means at participants' disposal.