Actor Chris Pratt has shared first photo of his son Jack since publicly revealing the news of his split from his wife of eight years, Anna Faris, on August 6.

He has been spending almost all of his time with Jack after announcing his separation from Faris. And on Friday evening, Pratt, shared a photo on Instagram, reports people.com.

In a picture featuring the five-year-old and his brother Cully, the actor gave a bicep pose to the camera following a viewing of the movie "Thor: Ragnarok", starring fellow Marvel member Chris Hemsworth.

https://www.instagram.com/p/BbD2EVkj6_H/?hl=en&taken-by=prattprattpratt

Jack can be seen flexing his muscles in the middle wearing an orange shirt and his dark-rimmed circular glasses.

"Holy crap! 'Thor: Ragnarok' is absolutely amazing! We just laughed our a**es off! So proud to be part of the Marvel universe," Pratt captioned the photo of the trio.