Personally, I’d let them recover from their journey and put them into small pots with some regular compost. Bury them up to their first pair of leaves and let them get over the shock for about a week. Then put them into their final places.
Apophthegm - a big word for a small thought. If you live in Derbyshire, as I do.
Are they inside a greenhouse the planters? If not it's still too cold to be outside until the end of the month. When they are planted bury them up to the first sets of leaves, if not in your planter (which by the sounds of it will only take two plants) then in plant pots deep enough to do this. What kind of toms are they?
They need planting into small pots, right up to their lowest leaves, then keeping somewhere with plenty of light but where the temperature doesn't drop below about 10C or get much above about 20C (a windowsill in an unheated house room is usually perfect - a centrally heated room will be a bit warm and they may grow too fast.) If your planters are outside, you are going to have to keep them indoors or in a greenhouse or coldframe etc. in those pots until the weather warms up and minimum night temperatures are consistently above about 10C, so they may need repotting again before that happens (likely sometime in June, depending on where you are.) Once the weather has obeyed your wishes, put the pots on top of the planters each day and take them back inside each night for about 5 days or more which will 'harden them off' so they don't get so much of a shock when finally planted.
A trowel in the hand is worth a thousand lost under a bush.
Oh Tin pot the one at the end brown pot looks OKish and from that end the first three in black pots again OKish.
If you have bigger pots I would plant them up again new compost right up to the leaf joint again give them a good water and put them somewhere sheltered and bright outside this time and keep them damp but not waterlogged.
Good luck
"You don't stop gardening because you get old, you get old because you stop gardening." - The Hampshire Hog
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If you live in Derbyshire, as I do.
Types (GW offer at T&M):
The minigreehouse was a death sentence. I forgot to take them out twice and each time they cooked.
Some of those may recover, but I agree some look pretty dead.
If you have bigger pots I would plant them up again new compost right up to the leaf joint again give them a good water and put them somewhere sheltered and bright outside this time and keep them damp but not waterlogged.
Good luck
"You don't stop gardening because you get old, you get old because you stop gardening." - The Hampshire Hog
No worries though, I will attend to the remaining plant in hope.