2 male kittens from different litters

Hi everybody!

     About 4 days ago I just welcomed home my first male kitten, Milo, who is 6 weeks old. I know he left his mother about 2 weeks early (this was due to personal problems with the family owning him) but nonetheless he's adapting very well  .  I'm planning on adopting another male kitten who is 10 weeks old in about 6 days, being a single woman who works 60+ hours a week, I thought it would be really important for Milo to have a buddy. Idealistically, I wanted  a kitten closer to 8 weeks to go along with Milo, but 10 weeks was the closest I could find.

     I'm very nervous for their introduction because I know it could either go very good or very bad. But I'm hopeful that as long as everything is done slowly and carefully, Milo (6 week old kitten) and Methos (10 week old kitten) will get along well. I would really appreciate some words of advice on how to introduce them properly, or if anybody knows what I could expect when they meet each other (fighting, playing, growling, etc.).

Thanks!

Your plan sounds good!   I really dont have much advice here, but I think it should go rather smooth.  Kittens that age arent territorial.  So be sure they have each their safe corner  (cat igloo or alike), to be on the safe side, each own feeding place and litter.   But I think essentially you can just let them meet.  Be there, prepared to talk encouraging / calming down.   Have a thick towel with you to be on the safe side,  IF - mostly perhaps so you feel calm and prepared for everything, but kittens wanna play.

Be toghether with the older kitten alone for a while before, so he too connects you as his mom.

With older cats I would suggest the basic procedure, choose a neutral room.  Let first the resident be comfortable in it.  Take him out.  Let in the guest, let the visiting / new be comfortable, in it.  You close in the newbe in hishers carrier. Let in the resident, they can smell on each other through the carrier.

If nobody seems aggressive no growlings, perhaps some dutyfull hissing not more, you open the carrier....   And the visitor comes out after a while...

You are of course the whole time near supervising...

If they dont began to fight very soon, they wont, they will coexist.

This has always worked for me, as long as the cats are essentially friendly cats without big issues with other cats.

Although there ARE more elaborated, more scientific protocols, to use if need be.

If you wish, you can do the same procedure with the kittens.

At those ages, long introductions generally aren't necessary. Our shelter "consolidates" litters as individuals from different litters are adopted or in the case of orphans, and although there's sometimes a bit of hissing or even growling initially, the kittens are playing together within minutes or hours. You will want to provide separate bowls, sleeping spots and litter boxes, as StefanZ recommended, and make sure one kitten isn't hogging all the food.

The one thing you'll want to watch out for is the older kitten being too rough for Milo, especially if there's a big difference in size. If that's the case, play should be supervised so you can break things up (simply by picking up one of the kittens) if things get too wild, and the two separated in your absence for the next few weeks, i.e., till Milo's development has advanced enough that he can hold his own.

one thing more - their wrestling matches can seem rough, if you arent accustomed - so its wise to be there and superwise, but stepping in isnt that often necessary as many thinks.