1. INTRODUCTION

2. METHODS
2.2. Observational Data
2.3. Sample Selection and Forward Modeling

3. RESULTS
3.1. Comparing TNG50 to MEGAFLOW
3.2. 3D Kinematics of Mg II in TNG50
3.3. Effects of Halo Mass and Resolution on Mg II in TNG50

4. DISCUSSION
4.1. The Role of Mg II in TNG
4.2. Comparisons to Recent Work

5. SUMMARY