According to the search results, there are different Happy Meal toys available in October 2023, depending on the location. Here are the different options:

• Disney100 Toys: These toys will reportedly be available in McDonalds Happy Meals in October 2023, to coincide with the 100th anniversary of The Walt Disney Company on October 16, 2023. The collection will feature 100 Disney characters, including Mickey Mouse, Minnie Mouse, R2-D2, Elsa, Mulan, Isabela, Woody, Miguel, Tiana, Black Panther, Lightning McQueen, Leia, Simba, Edna Mode, Grogu, Groot, Captain Marvel, Belle, Stitch, Mirabel, Joe Gardner, and more.

• Adopt Me!: This is a unique toy set that will be available in McDonalds Happy Meals in October 2023.

• Squishmallows Halloween: This is a range of toys that will be available in McDonalds Happy Meals in Ireland on October 31, 2023.

• Pokémon: In Ireland, there will be a Pokémon Happy Meal available until October 3, 2023, which includes one pre-selected toy or book. It is unclear if this is also available in other locations.

• BOO Buckets: These are Halloween-themed pails that come with a Happy Meal, and they are available in October 2023.

It is important to note that the availability of these toys may vary by location, and some toys may only be available for a limited time. Customers should check with their local McDonalds to see what toys are currently available.