For outrageous fun, discussion, analysis, and references (please provide references if you have them).
Tug of war. The "rope" is an enchanted, adamantium-linked chain. The sucker won't break.
No opponent may take to flight. Each must keep at least one foot on the 'ground' at all times. The ground is adamantium reinforced and conveniently enchanted for good traction. The ground won't break either.
Each participant is at his/her physical peak and worst mood ever.
Team One:
Superman
Wonder Woman
Captain Marvel
Team Two:
Sentry
Hulk
Juggernaut