There are several powerful cosmic Marvel Cinematic Universe heroes who haven’t yet been confirmed to be returning in Avengers: Doomsday. The Russo brothers’ upcoming Phase 6 sequel promises to follow Robert Downey Jr. on an epic cosmic adventure across a variety of alternate realities, as he will seemingly be trying to stop the multiverse from … Continue reading 5 Cosmic MCU Heroes We Hope Return in Avengers: Doomsday