Execute command when creating new screen session

With the screen command, the -X option allows you to execute a command in the specified screen session, but when you try to use it when creating a *new* screen, e.g:

screen -dmS -S downloader -X "wget https://google.com "

you get the error No screen session found.. So it's clear the the -X option only works for pre-existing screen sessions. Is it possible to specify a command to be run on the creation of a *new screen*? If it's not possible in screen, is it possible in another multiplexer like tmux?