Leto and West collaborated on 30 Seconds to Mars' 2009 single called "Hurricane", reported Ace Showbiz.
"I'd been asked by various people to direct videos. People like Kanye West have reached out, and that's always really flattering, but it's hard to find the time to do that for other people," the singer-actor said.
"Usually when I make a video, directing, editing, production, it takes me months and months and months. It's not really a short-term affair, so I tend to not really have the time to do it for other people. It'd be fun to, at some point, you never know.