Ok thought this would be kind of cool. For the no prep rounds, everyone gets standard gear and all. Bucky and the Major will both have an assault rifle, sidearm and combat knife along with their shield. All characters are the versions shown, except Steve, who's his standard version until round 3.
Round 1: No prep. Takes place in an open field 40 ft apart.
Round 2: 1 hour prep for team leaders only. Takes place in war torn European city 100 ft away.
Round 3: Prep for everyone. Takes place in Tokyo. Steve is Ultimates version in this round.
Bucky, Captain America, US Agent, American Dream, Commander A
Anti-Cap/ Major America
Red Robin,Batwoman (Kate Kane), Robin (Damian Wayne), Batman, Nightwing Batgirl (Barbara Gordon), Red Hood