Marvel Rivals

One of the easier hit 4 at same time achievements. An obvious spot you could wait at and expect 4 people to come in a swarm together is in Domination, or Payload transport. In Domination it could be easier because they have to try to capture the zone eventually. With Iron Man he can fly, fly and wait for a group of ppl from opposite team come to the zone and with his Invincible Pulse Cannon Ultimate it does a big blast area and some splash damage that will still hit them if they were at a bigger angle from the range where the Ultimate shoots to.