When Terminus uses his Ulti, use your Shadow Travel. You will be immune to damage and can stay on point/payload while the rest of your team finds cover.

Tyra is not CC-immune during her Ulti. If you run Agony, you can stun Tyra whenever she Ults, and this will use up most of her Ult, saving your team from a lot of damage.

Run a jump loadout with the card where Impasse knocks you up into the air. Use this to jump onto Kinessa, and then immediately cripple her with Treacherous Ground Warder's Field. She's very squishy and will have no means of escape.

Make sure either Grohk or his totem is dead before using your ultimate. Give about a second after the totem dies, so that the enemies' CC immunity wears off first. Otherwise, your Ultimate will do nothing when the enemies have CC immunity.