So far I have only seen the 30th Anniversary Cobra Viper come in Wave 1 cases at TRU.
Wave 1 case breakdown:
2x Hazard Viper
2x IG
2x Cobra Viper
2x Steel Brigade
2x Cobra Trooper
2x Sgt. Stalker
From what I can find, there is a Wave 2 case that contains a Cobra Viper from Wave 1, but I haven't seen this case at TRU.
Wave 2 Case Breakdown:
1x Cobra Trooper
1x Viper
1x IG
1x Hazard Viper
2x Firefly (Renegades)
2x SE (Renegades)
2x Duke (Renegades)
2x CC (Renegades)
From what I saw at my local TRU, the wave 3 case is a revision case that contains all the Renegades figures from Wave 2 & 3. Duke and CC from wave 2 replaced the extra Techno Viper and Cobra Trooper (Renegades) that came with the original Wave 3 case.
Wave 3 Revision Case Breakdown:
1x Techno Viper (Renegades)
1x Cobra Trooper (Renegades)
1x Ripcord (Renegades)
1x Scarlett (Renegades)
1x Storm Shadow (Renegades)
1x Tunnel Rat (Renegades)
1x Snake Eyes (Renegades)
1x Firefly (Renegades)
1x Duke (Renegades)
1x Cobra Commander (Renegades)
1x Hazard Viper
1x Cobra Trooper
Hope that helps!
Edit: Fixed name for Wave 3 Cobra Trooper. Wasn't paying attention when I was typing it out.