Arnold Schwarzenegger‘s son, Joseph Baena, shared a photo on the set of his new movie, which is currently shooting in Honolulu, Hawaii.Arnold Schwarzenegger might join the MCU and fans are losing their mindsArnold Schwarzenegger’s son Joseph Baena celebrates anniversary with girlfriendA post shared by Joseph Baena (@projoe2)Baena shared a shirtless photo of himself on Instagram, captioning it “Excited to be filming the movie “Lava” with the @bitflixnfts team! Comment what you think is happening