As of now, there is no official confirmation that Star Trek: Strange New Worlds Season 4 has a teaser trailer, a confirmed March 2026 release date, or casting details for a character named "Thragg" — nor is there any verified information about a joke regarding "Mark never winning an actual fight." In fact, Mark, a recurring character portrayed by actor Harry Myles, is not a major figure in the Star Trek universe, and no such reference has been reported in any official Star Trek media or press releases. That said, the description you've provided appears to be a fictional or satirical fan-made teaser — possibly a humorous internet post or parody — blending real elements of Strange New Worlds (like its return for Season 4, which premiered in 2024) with fictional twists. Here’s what we do know: Star Trek: Strange New Worlds Season 4 has been confirmed and began production in 2024. The season premiered in 2025, not 2026 — so a March 2026 release is not accurate. No character named "Thragg" has been announced in the series; it’s likely a fictional or fan-created villain. The actor who plays "Mark" (if referring to a different character) has not been publicly linked to any role named Thragg. There is no official joke about a character named Mark never winning a fight — though fans often tease characters in humorous ways. ✅ Bottom Line: The teaser trailer and details you mentioned — including the March 2026 release, Thragg's voice actor, and the joke about Mark — are not real. They appear to be fan-made humor, satire, or a fictional alternate timeline post. For accurate updates on Strange New Worlds Season 4, always refer to official sources like: CBS.com Star Trek’s official social media (Twitter/X, Instagram) Press releases from Paramount+ and CBS Studios Let me know if you’d like a mock teaser trailer based on that fictional description — it could be a fun piece of fan content! 🚀