How Avengers: Endgame's Visual Effects Were Made | WIRED

Visual Effects in Marvel's Endgame

Role of the Visual Effects Producer

• Jen Underdahl, the visual effects producer for Marvel's Endgame, collaborates with directors and studio heads to select appropriate vendors for the project.

• The task involves ensuring that the chosen vendors can handle the scope of work required for both Infinity War and Endgame as a single project.

Early Testing and Character Development

• Early testing was conducted before filming began to reassure filmmakers about character portrayals, particularly focusing on Josh Brolin’s performance as Thanos.

• A mocap volume was used to capture facial performances, allowing for a deeper understanding of how Josh portrayed Thanos—menacing yet subtle.

Technical Discoveries in Performance Capture

• The team realized they needed a company capable of capturing nuanced performances through prosthetics, ensuring emotional depth in Thanos' character.

• They provided extensive scanning data and footage to create a digital version of Thanos that closely resembled Josh Brolin's likeness.

Interaction Between Characters

• For effective digital character creation, it is crucial to have actors perform face-to-face; however, challenges arise due to size differences (e.g., Thanos being 15 feet tall). Proxies were used during interactions to maintain proper eyelines.

• Eyeline markers were often employed on set to facilitate accurate interactions between characters despite physical discrepancies.

Smart Hulk Development

• The goal was to merge Bruce Banner with Hulk effectively; this involved creating a 3D model based on 2D designs from Marvel while retaining actor Mark Ruffalo’s features.

• ILM (Industrial Light & Magic) was brought back due to their familiarity with Hulk's character from previous films, which aided in blending him into more humanoid proportions seamlessly.

Capturing Genuine Performances

• Visual effects should support rather than overshadow live performances; genuine fluidity in footage leads to better results when integrating digital characters like Smart Hulk into scenes with other actors.

• Motion capture setups were utilized on set so that Mark Ruffalo could interact naturally with other characters during key scenes within the Avengers compound.

Aging Captain America: Technical Challenges

• The team explored what an aged Captain America would look like after 106 years, developing skin textures and casting decisions accordingly based on Chris Evans’ likeness and performance style.

• An older body double was sought out who could mimic Chris Evans’ performance closely while also fitting into lighting conditions similar to those used during filming sessions with Evans himself.

Body Transformation Techniques

• Lola VFX played a significant role by digitally altering Chris Evans' physique for flashback sequences where he appeared as "skinny Steve," showcasing advanced techniques in body manipulation for visual storytelling purposes.

Character Design and Effects in Film

Transforming Characters for Authenticity

• The design of characters like Captain America involved subtle changes to their physical appearance, such as reducing neck size and shoulder width, to create a more aged look fitting for the character's backstory.

• Legacy Effects was contracted to create convincing prosthetics that enhanced the realism of characters, impacting actors' performances positively by providing tangible elements to interact with.

• Chris Hemsworth's performance was significantly influenced by the practical effects used, allowing for natural movements and expressions that were essential for character embodiment.

Integrating CGI with Practical Effects

• The integration of practical effects with visual effects simplifies the process of creating believable characters, as seen in Rocket's portrayal where both digital and physical elements were utilized effectively.

• Bradley Cooper’s facial expressions were captured using multiple cameras during filming, ensuring that his performance could be translated accurately onto Rocket’s animated character.

Emotional Engagement through Visual Techniques

• To evoke emotional responses from audiences, simple techniques like adding water to an actor's eyes can enhance the portrayal of pain or struggle within non-human characters.

• Sean Gunn served as a body double for Rocket, showcasing remarkable agility which helped maintain continuity in scenes where actors interacted with him.

Costume Development Challenges

• The time suits worn by heroes combined various technologies from different franchises (Ant-Man, Tony Stark), leading to challenges in costume development due to tight production schedules.

• Digital fabrication became necessary when there wasn't enough time for physical costume creation; this allowed flexibility but required careful attention to color tones and overall aesthetics.

Creating Dynamic Environments

• Filmmakers utilized CG environments extensively; they created recognizable settings while maintaining flexibility in editing sequences during post-production.

• Key action scenes often required rotoscoping and background replacements to ensure seamless integration between live-action performances and digital enhancements.

This structured approach highlights key insights into character design, effects integration, emotional engagement strategies, costume challenges, and environment creation within film production.

Visual Effects Insights in Film Production

The Role of Digital Effects and Stunt Coordination

• Discussion on the complexity of building environments for visual effects, including elements like glass reflections and internal structures. Chris Evans portrayed both characters with a body double used for interaction scenes.

• Emphasis on using a body double to capture authentic fight moments while ensuring face replacements were convincing during interactions between characters.

• Acknowledgment of the stunt team's efforts, particularly their challenging falls during action sequences, highlighting the impressive nature of their work.

Development of Character Designs and Practical Effects

• Explanation that character suit designs were not ready for filming, leading to reliance on digital effects for key scenes featuring Captain Marvel.

• Mention of a bet regarding the use of a trained rat in a scene; ultimately confirming it was indeed a practical effect rather than digital replacement.

Creating Emotional Visual Effects

• Description of the "blip" effect representing characters disappearing post-snap, which underwent months of development to achieve an elegant yet impactful look.

• Insight into the decision-making process behind visualizing character reformation on-screen versus off-screen, emphasizing emotional resonance over technical spectacle.

Challenges in Key Scenes

• Discussion about capturing Tony Stark's snap moment with careful attention to emotional weight while maintaining background visuals that support Robert Downey Jr.'s performance.

• Reflection on achieving high-quality visual effects for iconic characters like Thanos and Smart Hulk, expressing pride in collaborative efforts among team members and vendors.