The freeze team is definitely solid. Alice is not a hero I would’ve considered for it but I can see how she could be helpful.
The second team is a decent scare team, I don’t really car for Mike but that is the main form of control that team has. I would suggest maybe swapping him out for possibly Nick and obviously Randall if/when you get him.
The other two teams are really messy. Team 3 I could see being a decent stall team but you have basically no damage in that comp. Your highest dps is probably Hiro which isn’t a good thing in the slightest.
Team 4 I can not get a read on. I’m not sure what the team is supposed to be. Beast, Bo and T&P are good heroes as are S&N but Merida just leaves it as a big question mark.
I would suggest posting a wider range of what heroes you have so that way people can help tell you who to raise and what teams to make with them.